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Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_debugfs.c13
-rw-r--r--net/bpf/test_run.c4
-rw-r--r--net/ceph/ceph_common.c4
-rw-r--r--net/core/ethtool.c53
-rw-r--r--net/dns_resolver/dns_query.c22
-rw-r--r--net/ipv4/ip_gre.c14
-rw-r--r--net/ipv6/ip6_gre.c15
-rw-r--r--net/ipv6/mcast.c8
-rw-r--r--net/rds/ib.c3
-rw-r--r--net/sched/act_api.c72
-rw-r--r--net/sched/cls_api.c8
-rw-r--r--net/sched/cls_basic.c33
-rw-r--r--net/sched/cls_bpf.c30
-rw-r--r--net/sched/cls_flower.c34
-rw-r--r--net/sched/cls_u32.c68
-rw-r--r--net/sctp/ipv6.c10
-rw-r--r--net/sctp/protocol.c10
-rw-r--r--net/sunrpc/svcsock.c14
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_backchannel.c5
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_recvfrom.c9
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_rw.c12
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c6
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c25
-rw-r--r--net/wireless/nl80211.c9
24 files changed, 194 insertions, 287 deletions
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 57403bd567d0..418b76e557b0 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -90,19 +90,6 @@ static int __name ## _show(struct seq_file *f, void *ptr) \
\
DEFINE_SHOW_ATTRIBUTE(__name)
-#define DEFINE_SHOW_ATTRIBUTE(__name) \
-static int __name ## _open(struct inode *inode, struct file *file) \
-{ \
- return single_open(file, __name ## _show, inode->i_private); \
-} \
- \
-static const struct file_operations __name ## _fops = { \
- .open = __name ## _open, \
- .read = seq_read, \
- .llseek = seq_lseek, \
- .release = single_release, \
-} \
-
static int features_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index a86e6687026e..2ced48662c1f 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -151,6 +151,7 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
{
u32 size = kattr->test.data_size_in;
u32 repeat = kattr->test.repeat;
+ struct netdev_rx_queue *rxqueue;
struct xdp_buff xdp = {};
u32 retval, duration;
void *data;
@@ -165,6 +166,9 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
xdp.data_meta = xdp.data;
xdp.data_end = xdp.data + size;
+ rxqueue = __netif_get_rx_queue(current->nsproxy->net_ns->loopback_dev, 0);
+ xdp.rxq = &rxqueue->xdp_rxq;
+
retval = bpf_test_run(prog, &xdp, repeat, &duration);
if (xdp.data != data + XDP_PACKET_HEADROOM + NET_IP_ALIGN)
size = xdp.data_end - xdp.data;
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 5c036d2f401e..1e492ef2a33d 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -421,6 +421,10 @@ ceph_parse_options(char *options, const char *dev_name,
opt->name = kstrndup(argstr[0].from,
argstr[0].to-argstr[0].from,
GFP_KERNEL);
+ if (!opt->name) {
+ err = -ENOMEM;
+ goto out;
+ }
break;
case Opt_secret:
opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 107b122c8969..494e6a5d7306 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -616,18 +616,15 @@ static int load_link_ksettings_from_user(struct ethtool_link_ksettings *to,
return -EFAULT;
memcpy(&to->base, &link_usettings.base, sizeof(to->base));
- bitmap_from_u32array(to->link_modes.supported,
- __ETHTOOL_LINK_MODE_MASK_NBITS,
- link_usettings.link_modes.supported,
- __ETHTOOL_LINK_MODE_MASK_NU32);
- bitmap_from_u32array(to->link_modes.advertising,
- __ETHTOOL_LINK_MODE_MASK_NBITS,
- link_usettings.link_modes.advertising,
- __ETHTOOL_LINK_MODE_MASK_NU32);
- bitmap_from_u32array(to->link_modes.lp_advertising,
- __ETHTOOL_LINK_MODE_MASK_NBITS,
- link_usettings.link_modes.lp_advertising,
- __ETHTOOL_LINK_MODE_MASK_NU32);
+ bitmap_from_arr32(to->link_modes.supported,
+ link_usettings.link_modes.supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_from_arr32(to->link_modes.advertising,
+ link_usettings.link_modes.advertising,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_from_arr32(to->link_modes.lp_advertising,
+ link_usettings.link_modes.lp_advertising,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
return 0;
}
@@ -643,18 +640,15 @@ store_link_ksettings_for_user(void __user *to,
struct ethtool_link_usettings link_usettings;
memcpy(&link_usettings.base, &from->base, sizeof(link_usettings));
- bitmap_to_u32array(link_usettings.link_modes.supported,
- __ETHTOOL_LINK_MODE_MASK_NU32,
- from->link_modes.supported,
- __ETHTOOL_LINK_MODE_MASK_NBITS);
- bitmap_to_u32array(link_usettings.link_modes.advertising,
- __ETHTOOL_LINK_MODE_MASK_NU32,
- from->link_modes.advertising,
- __ETHTOOL_LINK_MODE_MASK_NBITS);
- bitmap_to_u32array(link_usettings.link_modes.lp_advertising,
- __ETHTOOL_LINK_MODE_MASK_NU32,
- from->link_modes.lp_advertising,
- __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_to_arr32(link_usettings.link_modes.supported,
+ from->link_modes.supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_to_arr32(link_usettings.link_modes.advertising,
+ from->link_modes.advertising,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_to_arr32(link_usettings.link_modes.lp_advertising,
+ from->link_modes.lp_advertising,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
if (copy_to_user(to, &link_usettings, sizeof(link_usettings)))
return -EFAULT;
@@ -2358,10 +2352,8 @@ static int ethtool_get_per_queue_coalesce(struct net_device *dev,
useraddr += sizeof(*per_queue_opt);
- bitmap_from_u32array(queue_mask,
- MAX_NUM_QUEUE,
- per_queue_opt->queue_mask,
- DIV_ROUND_UP(MAX_NUM_QUEUE, 32));
+ bitmap_from_arr32(queue_mask, per_queue_opt->queue_mask,
+ MAX_NUM_QUEUE);
for_each_set_bit(bit, queue_mask, MAX_NUM_QUEUE) {
struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
@@ -2393,10 +2385,7 @@ static int ethtool_set_per_queue_coalesce(struct net_device *dev,
useraddr += sizeof(*per_queue_opt);
- bitmap_from_u32array(queue_mask,
- MAX_NUM_QUEUE,
- per_queue_opt->queue_mask,
- DIV_ROUND_UP(MAX_NUM_QUEUE, 32));
+ bitmap_from_arr32(queue_mask, per_queue_opt->queue_mask, MAX_NUM_QUEUE);
n_queue = bitmap_weight(queue_mask, MAX_NUM_QUEUE);
tmp = backup = kmalloc_array(n_queue, sizeof(*backup), GFP_KERNEL);
if (!backup)
diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index af781010753b..49da67034f29 100644
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -52,11 +52,11 @@
* @name: Name to look up
* @namelen: Length of name
* @options: Request options (or NULL if no options)
- * @_result: Where to place the returned data.
+ * @_result: Where to place the returned data (or NULL)
* @_expiry: Where to store the result expiry time (or NULL)
*
- * The data will be returned in the pointer at *result, and the caller is
- * responsible for freeing it.
+ * The data will be returned in the pointer at *result, if provided, and the
+ * caller is responsible for freeing it.
*
* The description should be of the form "[<query_type>:]<domain_name>", and
* the options need to be appropriate for the query type requested. If no
@@ -81,7 +81,7 @@ int dns_query(const char *type, const char *name, size_t namelen,
kenter("%s,%*.*s,%zu,%s",
type, (int)namelen, (int)namelen, name, namelen, options);
- if (!name || namelen == 0 || !_result)
+ if (!name || namelen == 0)
return -EINVAL;
/* construct the query key description as "[<type>:]<name>" */
@@ -146,13 +146,15 @@ int dns_query(const char *type, const char *name, size_t namelen,
upayload = user_key_payload_locked(rkey);
len = upayload->datalen;
- ret = -ENOMEM;
- *_result = kmalloc(len + 1, GFP_KERNEL);
- if (!*_result)
- goto put;
+ if (_result) {
+ ret = -ENOMEM;
+ *_result = kmalloc(len + 1, GFP_KERNEL);
+ if (!*_result)
+ goto put;
- memcpy(*_result, upayload->data, len);
- (*_result)[len] = '\0';
+ memcpy(*_result, upayload->data, len);
+ (*_result)[len] = '\0';
+ }
if (_expiry)
*_expiry = rkey->expiry;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 6ec670fbbbdd..45d97e9b2759 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -261,6 +261,7 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
struct ip_tunnel_net *itn;
struct ip_tunnel *tunnel;
const struct iphdr *iph;
+ struct erspan_md2 *md2;
int ver;
int len;
@@ -313,21 +314,14 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
return PACKET_REJECT;
md = ip_tunnel_info_opts(&tun_dst->u.tun_info);
- memcpy(md, pkt_md, sizeof(*md));
md->version = ver;
+ md2 = &md->u.md2;
+ memcpy(md2, pkt_md, ver == 1 ? ERSPAN_V1_MDSIZE :
+ ERSPAN_V2_MDSIZE);
info = &tun_dst->u.tun_info;
info->key.tun_flags |= TUNNEL_ERSPAN_OPT;
info->options_len = sizeof(*md);
- } else {
- tunnel->erspan_ver = ver;
- if (ver == 1) {
- tunnel->index = ntohl(pkt_md->u.index);
- } else {
- tunnel->dir = pkt_md->u.md2.dir;
- tunnel->hwid = get_hwid(&pkt_md->u.md2);
- }
-
}
skb_reset_mac_header(skb);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 05f070e123e4..3c353125546d 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -505,6 +505,7 @@ static int ip6erspan_rcv(struct sk_buff *skb, int gre_hdr_len,
struct erspan_base_hdr *ershdr;
struct erspan_metadata *pkt_md;
const struct ipv6hdr *ipv6h;
+ struct erspan_md2 *md2;
struct ip6_tnl *tunnel;
u8 ver;
@@ -551,24 +552,16 @@ static int ip6erspan_rcv(struct sk_buff *skb, int gre_hdr_len,
info = &tun_dst->u.tun_info;
md = ip_tunnel_info_opts(info);
-
- memcpy(md, pkt_md, sizeof(*md));
md->version = ver;
+ md2 = &md->u.md2;
+ memcpy(md2, pkt_md, ver == 1 ? ERSPAN_V1_MDSIZE :
+ ERSPAN_V2_MDSIZE);
info->key.tun_flags |= TUNNEL_ERSPAN_OPT;
info->options_len = sizeof(*md);
ip6_tnl_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
} else {
- tunnel->parms.erspan_ver = ver;
-
- if (ver == 1) {
- tunnel->parms.index = ntohl(pkt_md->u.index);
- } else {
- tunnel->parms.dir = pkt_md->u.md2.dir;
- tunnel->parms.hwid = get_hwid(&pkt_md->u.md2);
- }
-
ip6_tnl_rcv(tunnel, skb, tpi, NULL, log_ecn_error);
}
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 6a5d0e39bb87..9b9d2ff01b35 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -65,10 +65,10 @@
#include <net/ip6_checksum.h>
/* Ensure that we have struct in6_addr aligned on 32bit word. */
-static void *__mld2_query_bugs[] __attribute__((__unused__)) = {
- BUILD_BUG_ON_NULL(offsetof(struct mld2_query, mld2q_srcs) % 4),
- BUILD_BUG_ON_NULL(offsetof(struct mld2_report, mld2r_grec) % 4),
- BUILD_BUG_ON_NULL(offsetof(struct mld2_grec, grec_mca) % 4)
+static int __mld2_query_bugs[] __attribute__((__unused__)) = {
+ BUILD_BUG_ON_ZERO(offsetof(struct mld2_query, mld2q_srcs) % 4),
+ BUILD_BUG_ON_ZERO(offsetof(struct mld2_report, mld2r_grec) % 4),
+ BUILD_BUG_ON_ZERO(offsetof(struct mld2_grec, grec_mca) % 4)
};
static struct in6_addr mld2_all_mcr = MLD2_ALL_MCR_INIT;
diff --git a/net/rds/ib.c b/net/rds/ib.c
index b2a5067b4afe..ff0c98096af1 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -345,7 +345,8 @@ static int rds_ib_laddr_check(struct net *net, __be32 addr)
/* Create a CMA ID and try to bind it. This catches both
* IB and iWARP capable NICs.
*/
- cm_id = rdma_create_id(&init_net, NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
+ cm_id = rdma_create_id(&init_net, rds_rdma_cm_event_handler,
+ NULL, RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(cm_id))
return PTR_ERR(cm_id);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 52622a3d2517..eba6682727dd 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -78,7 +78,7 @@ static void free_tcf(struct tc_action *p)
static void tcf_idr_remove(struct tcf_idrinfo *idrinfo, struct tc_action *p)
{
spin_lock_bh(&idrinfo->lock);
- idr_remove_ext(&idrinfo->action_idr, p->tcfa_index);
+ idr_remove(&idrinfo->action_idr, p->tcfa_index);
spin_unlock_bh(&idrinfo->lock);
gen_kill_estimator(&p->tcfa_rate_est);
free_tcf(p);
@@ -124,7 +124,7 @@ static int tcf_dump_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb,
s_i = cb->args[0];
- idr_for_each_entry_ext(idr, p, id) {
+ idr_for_each_entry_ul(idr, p, id) {
index++;
if (index < s_i)
continue;
@@ -181,7 +181,7 @@ static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb,
if (nla_put_string(skb, TCA_KIND, ops->kind))
goto nla_put_failure;
- idr_for_each_entry_ext(idr, p, id) {
+ idr_for_each_entry_ul(idr, p, id) {
ret = __tcf_idr_release(p, false, true);
if (ret == ACT_P_DELETED) {
module_put(ops->owner);
@@ -222,7 +222,7 @@ static struct tc_action *tcf_idr_lookup(u32 index, struct tcf_idrinfo *idrinfo)
struct tc_action *p = NULL;
spin_lock_bh(&idrinfo->lock);
- p = idr_find_ext(&idrinfo->action_idr, index);
+ p = idr_find(&idrinfo->action_idr, index);
spin_unlock_bh(&idrinfo->lock);
return p;
@@ -274,7 +274,6 @@ int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
struct tcf_idrinfo *idrinfo = tn->idrinfo;
struct idr *idr = &idrinfo->action_idr;
int err = -ENOMEM;
- unsigned long idr_index;
if (unlikely(!p))
return -ENOMEM;
@@ -284,45 +283,28 @@ int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
if (cpustats) {
p->cpu_bstats = netdev_alloc_pcpu_stats(struct gnet_stats_basic_cpu);
- if (!p->cpu_bstats) {
-err1:
- kfree(p);
- return err;
- }
- p->cpu_qstats = alloc_percpu(struct gnet_stats_queue);
- if (!p->cpu_qstats) {
-err2:
- free_percpu(p->cpu_bstats);
+ if (!p->cpu_bstats)
goto err1;
- }
+ p->cpu_qstats = alloc_percpu(struct gnet_stats_queue);
+ if (!p->cpu_qstats)
+ goto err2;
}
spin_lock_init(&p->tcfa_lock);
+ idr_preload(GFP_KERNEL);
+ spin_lock_bh(&idrinfo->lock);
/* user doesn't specify an index */
if (!index) {
- idr_preload(GFP_KERNEL);
- spin_lock_bh(&idrinfo->lock);
- err = idr_alloc_ext(idr, NULL, &idr_index, 1, 0,
- GFP_ATOMIC);
- spin_unlock_bh(&idrinfo->lock);
- idr_preload_end();
- if (err) {
-err3:
- free_percpu(p->cpu_qstats);
- goto err2;
- }
- p->tcfa_index = idr_index;
+ index = 1;
+ err = idr_alloc_u32(idr, NULL, &index, UINT_MAX, GFP_ATOMIC);
} else {
- idr_preload(GFP_KERNEL);
- spin_lock_bh(&idrinfo->lock);
- err = idr_alloc_ext(idr, NULL, NULL, index, index + 1,
- GFP_ATOMIC);
- spin_unlock_bh(&idrinfo->lock);
- idr_preload_end();
- if (err)
- goto err3;
- p->tcfa_index = index;
+ err = idr_alloc_u32(idr, NULL, &index, index, GFP_ATOMIC);
}
+ spin_unlock_bh(&idrinfo->lock);
+ idr_preload_end();
+ if (err)
+ goto err3;
+ p->tcfa_index = index;
p->tcfa_tm.install = jiffies;
p->tcfa_tm.lastuse = jiffies;
p->tcfa_tm.firstuse = 0;
@@ -330,9 +312,8 @@ err3:
err = gen_new_estimator(&p->tcfa_bstats, p->cpu_bstats,
&p->tcfa_rate_est,
&p->tcfa_lock, NULL, est);
- if (err) {
- goto err3;
- }
+ if (err)
+ goto err4;
}
p->idrinfo = idrinfo;
@@ -340,6 +321,15 @@ err3:
INIT_LIST_HEAD(&p->list);
*a = p;
return 0;
+err4:
+ idr_remove(idr, index);
+err3:
+ free_percpu(p->cpu_qstats);
+err2:
+ free_percpu(p->cpu_bstats);
+err1:
+ kfree(p);
+ return err;
}
EXPORT_SYMBOL(tcf_idr_create);
@@ -348,7 +338,7 @@ void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a)
struct tcf_idrinfo *idrinfo = tn->idrinfo;
spin_lock_bh(&idrinfo->lock);
- idr_replace_ext(&idrinfo->action_idr, a, a->tcfa_index);
+ idr_replace(&idrinfo->action_idr, a, a->tcfa_index);
spin_unlock_bh(&idrinfo->lock);
}
EXPORT_SYMBOL(tcf_idr_insert);
@@ -361,7 +351,7 @@ void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
int ret;
unsigned long id = 1;
- idr_for_each_entry_ext(idr, p, id) {
+ idr_for_each_entry_ul(idr, p, id) {
ret = __tcf_idr_release(p, false, true);
if (ret == ACT_P_DELETED)
module_put(ops->owner);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index bcb4ccb5f894..2bc1bc23d42e 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -381,8 +381,8 @@ static int tcf_block_insert(struct tcf_block *block, struct net *net,
struct tcf_net *tn = net_generic(net, tcf_net_id);
int err;
- err = idr_alloc_ext(&tn->idr, block, NULL, block_index,
- block_index + 1, GFP_KERNEL);
+ err = idr_alloc_u32(&tn->idr, block, &block_index, block_index,
+ GFP_KERNEL);
if (err)
return err;
block->index = block_index;
@@ -393,7 +393,7 @@ static void tcf_block_remove(struct tcf_block *block, struct net *net)
{
struct tcf_net *tn = net_generic(net, tcf_net_id);
- idr_remove_ext(&tn->idr, block->index);
+ idr_remove(&tn->idr, block->index);
}
static struct tcf_block *tcf_block_create(struct net *net, struct Qdisc *q,
@@ -434,7 +434,7 @@ static struct tcf_block *tcf_block_lookup(struct net *net, u32 block_index)
{
struct tcf_net *tn = net_generic(net, tcf_net_id);
- return idr_find_ext(&tn->idr, block_index);
+ return idr_find(&tn->idr, block_index);
}
static struct tcf_chain *tcf_block_chain_zero(struct tcf_block *block)
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index d333f5c5101d..6b7ab3512f5b 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -120,7 +120,7 @@ static void basic_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)
list_for_each_entry_safe(f, n, &head->flist, link) {
list_del_rcu(&f->link);
tcf_unbind_filter(tp, &f->res);
- idr_remove_ext(&head->handle_idr, f->handle);
+ idr_remove(&head->handle_idr, f->handle);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, basic_delete_filter);
else
@@ -138,7 +138,7 @@ static int basic_delete(struct tcf_proto *tp, void *arg, bool *last,
list_del_rcu(&f->link);
tcf_unbind_filter(tp, &f->res);
- idr_remove_ext(&head->handle_idr, f->handle);
+ idr_remove(&head->handle_idr, f->handle);
tcf_exts_get_net(&f->exts);
call_rcu(&f->rcu, basic_delete_filter);
*last = list_empty(&head->flist);
@@ -185,7 +185,6 @@ static int basic_change(struct net *net, struct sk_buff *in_skb,
struct nlattr *tb[TCA_BASIC_MAX + 1];
struct basic_filter *fold = (struct basic_filter *) *arg;
struct basic_filter *fnew;
- unsigned long idr_index;
if (tca[TCA_OPTIONS] == NULL)
return -EINVAL;
@@ -208,34 +207,30 @@ static int basic_change(struct net *net, struct sk_buff *in_skb,
if (err < 0)
goto errout;
- if (handle) {
- fnew->handle = handle;
- if (!fold) {
- err = idr_alloc_ext(&head->handle_idr, fnew, &idr_index,
- handle, handle + 1, GFP_KERNEL);
- if (err)
- goto errout;
- }
- } else {
- err = idr_alloc_ext(&head->handle_idr, fnew, &idr_index,
- 1, 0x7FFFFFFF, GFP_KERNEL);
- if (err)
- goto errout;
- fnew->handle = idr_index;
+ if (!handle) {
+ handle = 1;
+ err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
+ INT_MAX, GFP_KERNEL);
+ } else if (!fold) {
+ err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
+ handle, GFP_KERNEL);
}
+ if (err)
+ goto errout;
+ fnew->handle = handle;
err = basic_set_parms(net, tp, fnew, base, tb, tca[TCA_RATE], ovr,
extack);
if (err < 0) {
if (!fold)
- idr_remove_ext(&head->handle_idr, fnew->handle);
+ idr_remove(&head->handle_idr, fnew->handle);
goto errout;
}
*arg = fnew;
if (fold) {
- idr_replace_ext(&head->handle_idr, fnew, fnew->handle);
+ idr_replace(&head->handle_idr, fnew, fnew->handle);
list_replace_rcu(&fold->link, &fnew->link);
tcf_unbind_filter(tp, &fold->res);
tcf_exts_get_net(&fold->exts);
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index 8e5326bc6440..b07c1fa8bc0d 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -295,7 +295,7 @@ static void __cls_bpf_delete(struct tcf_proto *tp, struct cls_bpf_prog *prog,
{
struct cls_bpf_head *head = rtnl_dereference(tp->root);
- idr_remove_ext(&head->handle_idr, prog->handle);
+ idr_remove(&head->handle_idr, prog->handle);
cls_bpf_stop_offload(tp, prog, extack);
list_del_rcu(&prog->link);
tcf_unbind_filter(tp, &prog->res);
@@ -471,7 +471,6 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
struct cls_bpf_prog *oldprog = *arg;
struct nlattr *tb[TCA_BPF_MAX + 1];
struct cls_bpf_prog *prog;
- unsigned long idr_index;
int ret;
if (tca[TCA_OPTIONS] == NULL)
@@ -498,21 +497,18 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
}
if (handle == 0) {
- ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index,
- 1, 0x7FFFFFFF, GFP_KERNEL);
- if (ret)
- goto errout;
- prog->handle = idr_index;
- } else {
- if (!oldprog) {
- ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index,
- handle, handle + 1, GFP_KERNEL);
- if (ret)
- goto errout;
- }
- prog->handle = handle;
+ handle = 1;
+ ret = idr_alloc_u32(&head->handle_idr, prog, &handle,
+ INT_MAX, GFP_KERNEL);
+ } else if (!oldprog) {
+ ret = idr_alloc_u32(&head->handle_idr, prog, &handle,
+ handle, GFP_KERNEL);
}
+ if (ret)
+ goto errout;
+ prog->handle = handle;
+
ret = cls_bpf_set_parms(net, tp, prog, base, tb, tca[TCA_RATE], ovr,
extack);
if (ret < 0)
@@ -526,7 +522,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
prog->gen_flags |= TCA_CLS_FLAGS_NOT_IN_HW;
if (oldprog) {
- idr_replace_ext(&head->handle_idr, prog, handle);
+ idr_replace(&head->handle_idr, prog, handle);
list_replace_rcu(&oldprog->link, &prog->link);
tcf_unbind_filter(tp, &oldprog->res);
tcf_exts_get_net(&oldprog->exts);
@@ -542,7 +538,7 @@ errout_parms:
cls_bpf_free_parms(prog);
errout_idr:
if (!oldprog)
- idr_remove_ext(&head->handle_idr, prog->handle);
+ idr_remove(&head->handle_idr, prog->handle);
errout:
tcf_exts_destroy(&prog->exts);
kfree(prog);
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index dc9acaafc0a8..7d0ce2c40f93 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -288,7 +288,7 @@ static void __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f,
{
struct cls_fl_head *head = rtnl_dereference(tp->root);
- idr_remove_ext(&head->handle_idr, f->handle);
+ idr_remove(&head->handle_idr, f->handle);
list_del_rcu(&f->list);
if (!tc_skip_hw(f->flags))
fl_hw_destroy_filter(tp, f, extack);
@@ -334,7 +334,7 @@ static void *fl_get(struct tcf_proto *tp, u32 handle)
{
struct cls_fl_head *head = rtnl_dereference(tp->root);
- return idr_find_ext(&head->handle_idr, handle);
+ return idr_find(&head->handle_idr, handle);
}
static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
@@ -865,7 +865,6 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
struct cls_fl_filter *fnew;
struct nlattr **tb;
struct fl_flow_mask mask = {};
- unsigned long idr_index;
int err;
if (!tca[TCA_OPTIONS])
@@ -896,21 +895,17 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
goto errout;
if (!handle) {
- err = idr_alloc_ext(&head->handle_idr, fnew, &idr_index,
- 1, 0x80000000, GFP_KERNEL);
- if (err)
- goto errout;
- fnew->handle = idr_index;
- }
-
- /* user specifies a handle and it doesn't exist */
- if (handle && !fold) {
- err = idr_alloc_ext(&head->handle_idr, fnew, &idr_index,
- handle, handle + 1, GFP_KERNEL);
- if (err)
- goto errout;
- fnew->handle = idr_index;
+ handle = 1;
+ err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
+ INT_MAX, GFP_KERNEL);
+ } else if (!fold) {
+ /* user specifies a handle and it doesn't exist */
+ err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
+ handle, GFP_KERNEL);
}
+ if (err)
+ goto errout;
+ fnew->handle = handle;
if (tb[TCA_FLOWER_FLAGS]) {
fnew->flags = nla_get_u32(tb[TCA_FLOWER_FLAGS]);
@@ -966,8 +961,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
*arg = fnew;
if (fold) {
- fnew->handle = handle;
- idr_replace_ext(&head->handle_idr, fnew, fnew->handle);
+ idr_replace(&head->handle_idr, fnew, fnew->handle);
list_replace_rcu(&fold->list, &fnew->list);
tcf_unbind_filter(tp, &fold->res);
tcf_exts_get_net(&fold->exts);
@@ -981,7 +975,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
errout_idr:
if (fnew->handle)
- idr_remove_ext(&head->handle_idr, fnew->handle);
+ idr_remove(&head->handle_idr, fnew->handle);
errout:
tcf_exts_destroy(&fnew->exts);
kfree(fnew);
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index e3c5e390ec23..c07e8abc3d52 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -316,19 +316,13 @@ static void *u32_get(struct tcf_proto *tp, u32 handle)
return u32_lookup_key(ht, handle);
}
+/* Protected by rtnl lock */
static u32 gen_new_htid(struct tc_u_common *tp_c, struct tc_u_hnode *ptr)
{
- unsigned long idr_index;
- int err;
-
- /* This is only used inside rtnl lock it is safe to increment
- * without read _copy_ update semantics
- */
- err = idr_alloc_ext(&tp_c->handle_idr, ptr, &idr_index,
- 1, 0x7FF, GFP_KERNEL);
- if (err)
+ int id = idr_alloc_cyclic(&tp_c->handle_idr, ptr, 1, 0x7FF, GFP_KERNEL);
+ if (id < 0)
return 0;
- return (u32)(idr_index | 0x800) << 20;
+ return (id | 0x800U) << 20;
}
static struct hlist_head *tc_u_common_hash;
@@ -398,10 +392,12 @@ static int u32_init(struct tcf_proto *tp)
static int u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n,
bool free_pf)
{
+ struct tc_u_hnode *ht = rtnl_dereference(n->ht_down);
+
tcf_exts_destroy(&n->exts);
tcf_exts_put_net(&n->exts);
- if (n->ht_down)
- n->ht_down->refcnt--;
+ if (ht && --ht->refcnt == 0)
+ kfree(ht);
#ifdef CONFIG_CLS_U32_PERF
if (free_pf)
free_percpu(n->pf);
@@ -596,7 +592,7 @@ static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht,
rtnl_dereference(n->next));
tcf_unbind_filter(tp, &n->res);
u32_remove_hw_knode(tp, n, extack);
- idr_remove_ext(&ht->handle_idr, n->handle);
+ idr_remove(&ht->handle_idr, n->handle);
if (tcf_exts_get_net(&n->exts))
call_rcu(&n->rcu, u32_delete_key_freepf_rcu);
else
@@ -623,7 +619,7 @@ static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht,
if (phn == ht) {
u32_clear_hw_hnode(tp, ht, extack);
idr_destroy(&ht->handle_idr);
- idr_remove_ext(&tp_c->handle_idr, ht->handle);
+ idr_remove(&tp_c->handle_idr, ht->handle);
RCU_INIT_POINTER(*hn, ht->next);
kfree_rcu(ht, rcu);
return 0;
@@ -659,16 +655,15 @@ static void u32_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)
hlist_del(&tp_c->hnode);
- for (ht = rtnl_dereference(tp_c->hlist);
- ht;
- ht = rtnl_dereference(ht->next)) {
- ht->refcnt--;
- u32_clear_hnode(tp, ht, extack);
- }
-
while ((ht = rtnl_dereference(tp_c->hlist)) != NULL) {
+ u32_clear_hnode(tp, ht, extack);
RCU_INIT_POINTER(tp_c->hlist, ht->next);
- kfree_rcu(ht, rcu);
+
+ /* u32_destroy_key() will later free ht for us, if it's
+ * still referenced by some knode
+ */
+ if (--ht->refcnt == 0)
+ kfree_rcu(ht, rcu);
}
idr_destroy(&tp_c->handle_idr);
@@ -746,19 +741,17 @@ ret:
static u32 gen_new_kid(struct tc_u_hnode *ht, u32 htid)
{
- unsigned long idr_index;
- u32 start = htid | 0x800;
+ u32 index = htid | 0x800;
u32 max = htid | 0xFFF;
- u32 min = htid;
- if (idr_alloc_ext(&ht->handle_idr, NULL, &idr_index,
- start, max + 1, GFP_KERNEL)) {
- if (idr_alloc_ext(&ht->handle_idr, NULL, &idr_index,
- min + 1, max + 1, GFP_KERNEL))
- return max;
+ if (idr_alloc_u32(&ht->handle_idr, NULL, &index, max, GFP_KERNEL)) {
+ index = htid + 1;
+ if (idr_alloc_u32(&ht->handle_idr, NULL, &index, max,
+ GFP_KERNEL))
+ index = max;
}
- return (u32)idr_index;
+ return index;
}
static const struct nla_policy u32_policy[TCA_U32_MAX + 1] = {
@@ -848,7 +841,7 @@ static void u32_replace_knode(struct tcf_proto *tp, struct tc_u_common *tp_c,
if (pins->handle == n->handle)
break;
- idr_replace_ext(&ht->handle_idr, n, n->handle);
+ idr_replace(&ht->handle_idr, n, n->handle);
RCU_INIT_POINTER(n->next, pins->next);
rcu_assign_pointer(*ins, n);
}
@@ -1009,8 +1002,8 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
return -ENOMEM;
}
} else {
- err = idr_alloc_ext(&tp_c->handle_idr, ht, NULL,
- handle, handle + 1, GFP_KERNEL);
+ err = idr_alloc_u32(&tp_c->handle_idr, ht, &handle,
+ handle, GFP_KERNEL);
if (err) {
kfree(ht);
return err;
@@ -1026,7 +1019,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
err = u32_replace_hw_hnode(tp, ht, flags, extack);
if (err) {
- idr_remove_ext(&tp_c->handle_idr, handle);
+ idr_remove(&tp_c->handle_idr, handle);
kfree(ht);
return err;
}
@@ -1066,8 +1059,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
return -EINVAL;
}
handle = htid | TC_U32_NODE(handle);
- err = idr_alloc_ext(&ht->handle_idr, NULL, NULL,
- handle, handle + 1,
+ err = idr_alloc_u32(&ht->handle_idr, NULL, &handle, handle,
GFP_KERNEL);
if (err)
return err;
@@ -1162,7 +1154,7 @@ errfree:
#endif
kfree(n);
erridr:
- idr_remove_ext(&ht->handle_idr, handle);
+ idr_remove(&ht->handle_idr, handle);
return err;
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 5d4c15bf66d2..e35d4f73d2df 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -326,8 +326,10 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
bdst = ip6_dst_lookup_flow(sk, fl6, final_p);
- if (!IS_ERR(bdst) &&
- ipv6_chk_addr(dev_net(bdst->dev),
+ if (IS_ERR(bdst))
+ continue;
+
+ if (ipv6_chk_addr(dev_net(bdst->dev),
&laddr->a.v6.sin6_addr, bdst->dev, 1)) {
if (!IS_ERR_OR_NULL(dst))
dst_release(dst);
@@ -336,8 +338,10 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
}
bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
- if (matchlen > bmatchlen)
+ if (matchlen > bmatchlen) {
+ dst_release(bdst);
continue;
+ }
if (!IS_ERR_OR_NULL(dst))
dst_release(dst);
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 6a38c2503649..91813e686c67 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -514,22 +514,20 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
if (IS_ERR(rt))
continue;
- if (!dst)
- dst = &rt->dst;
-
/* Ensure the src address belongs to the output
* interface.
*/
odev = __ip_dev_find(sock_net(sk), laddr->a.v4.sin_addr.s_addr,
false);
if (!odev || odev->ifindex != fl4->flowi4_oif) {
- if (&rt->dst != dst)
+ if (!dst)
+ dst = &rt->dst;
+ else
dst_release(&rt->dst);
continue;
}
- if (dst != &rt->dst)
- dst_release(dst);
+ dst_release(dst);
dst = &rt->dst;
break;
}
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 5570719e4787..943f2a745cd5 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -384,25 +384,11 @@ static int svc_partial_recvfrom(struct svc_rqst *rqstp,
static void svc_sock_setbufsize(struct socket *sock, unsigned int snd,
unsigned int rcv)
{
-#if 0
- mm_segment_t oldfs;
- oldfs = get_fs(); set_fs(KERNEL_DS);
- sock_setsockopt(sock, SOL_SOCKET, SO_SNDBUF,
- (char*)&snd, sizeof(snd));
- sock_setsockopt(sock, SOL_SOCKET, SO_RCVBUF,
- (char*)&rcv, sizeof(rcv));
-#else
- /* sock_setsockopt limits use to sysctl_?mem_max,
- * which isn't acceptable. Until that is made conditional
- * on not having CAP_SYS_RESOURCE or similar, we go direct...
- * DaveM said I could!
- */
lock_sock(sock->sk);
sock->sk->sk_sndbuf = snd * 2;
sock->sk->sk_rcvbuf = rcv * 2;
sock->sk->sk_write_space(sock->sk);
release_sock(sock->sk);
-#endif
}
static int svc_sock_secure_port(struct svc_rqst *rqstp)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index af7893501e40..a73632ca9048 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -95,7 +95,6 @@ out_shortreply:
out_notfound:
dprintk("svcrdma: unrecognized bc reply: xprt=%p, xid=%08x\n",
xprt, be32_to_cpu(xid));
-
goto out_unlock;
}
@@ -129,10 +128,6 @@ static int svc_rdma_bc_sendto(struct svcxprt_rdma *rdma,
if (ret < 0)
goto out_err;
- ret = svc_rdma_repost_recv(rdma, GFP_NOIO);
- if (ret)
- goto out_err;
-
/* Bump page refcnt so Send completion doesn't release
* the rq_buffer before all retransmits are complete.
*/
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index ad4bd62eebf1..19e9c6b33042 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -400,10 +400,6 @@ static void svc_rdma_send_error(struct svcxprt_rdma *xprt,
struct page *page;
int ret;
- ret = svc_rdma_repost_recv(xprt, GFP_KERNEL);
- if (ret)
- return;
-
page = alloc_page(GFP_KERNEL);
if (!page)
return;
@@ -554,8 +550,6 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
ret = svc_rdma_handle_bc_reply(xprt->xpt_bc_xprt, p,
&rqstp->rq_arg);
svc_rdma_put_context(ctxt, 0);
- if (ret)
- goto repost;
return ret;
}
@@ -590,6 +584,5 @@ out_postfail:
out_drop:
svc_rdma_put_context(ctxt, 1);
-repost:
- return svc_rdma_repost_recv(rdma_xprt, GFP_KERNEL);
+ return 0;
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
index 9bd04549a1ad..12b9a7e0b6d2 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
@@ -727,12 +727,16 @@ static int svc_rdma_build_normal_read_chunk(struct svc_rqst *rqstp,
head->arg.head[0].iov_len - info->ri_position;
head->arg.head[0].iov_len = info->ri_position;
- /* Read chunk may need XDR roundup (see RFC 5666, s. 3.7).
+ /* Read chunk may need XDR roundup (see RFC 8166, s. 3.4.5.2).
*
- * NFSv2/3 write decoders need the length of the tail to
- * contain the size of the roundup padding.
+ * If the client already rounded up the chunk length, the
+ * length does not change. Otherwise, the length of the page
+ * list is increased to include XDR round-up.
+ *
+ * Currently these chunks always start at page offset 0,
+ * thus the rounded-up length never crosses a page boundary.
*/
- head->arg.tail[0].iov_len += 4 - (info->ri_chunklen & 3);
+ info->ri_chunklen = XDR_QUADLEN(info->ri_chunklen) << 2;
head->arg.page_len = info->ri_chunklen;
head->arg.len += info->ri_chunklen;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 7c3a211e0e9a..649441d5087d 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -674,9 +674,6 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
svc_rdma_xdr_encode_reply_chunk(rdma_resp, rp_ch, ret);
}
- ret = svc_rdma_post_recv(rdma, GFP_KERNEL);
- if (ret)
- goto err1;
ret = svc_rdma_send_reply_msg(rdma, rdma_argp, rdma_resp, rqstp,
wr_lst, rp_ch);
if (ret < 0)
@@ -687,9 +684,6 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
if (ret != -E2BIG && ret != -EINVAL)
goto err1;
- ret = svc_rdma_post_recv(rdma, GFP_KERNEL);
- if (ret)
- goto err1;
ret = svc_rdma_send_error_msg(rdma, rdma_resp, rqstp);
if (ret < 0)
goto err0;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 46ec069150d5..9ad12a215b51 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -58,6 +58,7 @@
#define RPCDBG_FACILITY RPCDBG_SVCXPRT
+static int svc_rdma_post_recv(struct svcxprt_rdma *xprt);
static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *, int);
static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
struct net *net,
@@ -320,6 +321,8 @@ static void svc_rdma_wc_receive(struct ib_cq *cq, struct ib_wc *wc)
list_add_tail(&ctxt->list, &xprt->sc_rq_dto_q);
spin_unlock(&xprt->sc_rq_dto_lock);
+ svc_rdma_post_recv(xprt);
+
set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
if (test_bit(RDMAXPRT_CONN_PENDING, &xprt->sc_flags))
goto out;
@@ -404,7 +407,8 @@ static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *serv,
return cma_xprt;
}
-int svc_rdma_post_recv(struct svcxprt_rdma *xprt, gfp_t flags)
+static int
+svc_rdma_post_recv(struct svcxprt_rdma *xprt)
{
struct ib_recv_wr recv_wr, *bad_recv_wr;
struct svc_rdma_op_ctxt *ctxt;
@@ -423,7 +427,7 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt, gfp_t flags)
pr_err("svcrdma: Too many sges (%d)\n", sge_no);
goto err_put_ctxt;
}
- page = alloc_page(flags);
+ page = alloc_page(GFP_KERNEL);
if (!page)
goto err_put_ctxt;
ctxt->pages[sge_no] = page;
@@ -459,21 +463,6 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt, gfp_t flags)
return -ENOMEM;
}
-int svc_rdma_repost_recv(struct svcxprt_rdma *xprt, gfp_t flags)
-{
- int ret = 0;
-
- ret = svc_rdma_post_recv(xprt, flags);
- if (ret) {
- pr_err("svcrdma: could not post a receive buffer, err=%d.\n",
- ret);
- pr_err("svcrdma: closing transport %p.\n", xprt);
- set_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags);
- ret = -ENOTCONN;
- }
- return ret;
-}
-
static void
svc_rdma_parse_connect_private(struct svcxprt_rdma *newxprt,
struct rdma_conn_param *param)
@@ -833,7 +822,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
/* Post receive buffers */
for (i = 0; i < newxprt->sc_max_requests; i++) {
- ret = svc_rdma_post_recv(newxprt, GFP_KERNEL);
+ ret = svc_rdma_post_recv(newxprt);
if (ret) {
dprintk("svcrdma: failure posting receive buffers\n");
goto errout;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ab0c687d0c44..9c0dcc8324b0 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -16,6 +16,7 @@
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
#include <linux/netlink.h>
+#include <linux/nospec.h>
#include <linux/etherdevice.h>
#include <net/net_namespace.h>
#include <net/genetlink.h>
@@ -2080,20 +2081,22 @@ static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
static int parse_txq_params(struct nlattr *tb[],
struct ieee80211_txq_params *txq_params)
{
+ u8 ac;
+
if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
!tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
!tb[NL80211_TXQ_ATTR_AIFS])
return -EINVAL;
- txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
+ ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
- if (txq_params->ac >= NL80211_NUM_ACS)
+ if (ac >= NL80211_NUM_ACS)
return -EINVAL;
-
+ txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
return 0;
}
generated by cgit (git 2.34.1) at 2024-06-08 00:36:35 +0000