summaryrefslogtreecommitdiff
path: root/net/batman-adv/translation-table.c
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2019-04-22 09:47:36 -0600
committerJens Axboe <axboe@kernel.dk>2019-04-22 09:47:36 -0600
commit5c61ee2cd5860e41c8ab98837761ffaa93eb4dfe (patch)
tree0c78e25f5020eeee47863092ccbb2a3f56bea8a9 /net/batman-adv/translation-table.c
parentcdf3e3deb747d5e193dee617ed37c83060eb576f (diff)
parent085b7755808aa11f78ab9377257e1dad2e6fa4bb (diff)
Merge tag 'v5.1-rc6' into for-5.2/block
Pull in v5.1-rc6 to resolve two conflicts. One is in BFQ, in just a comment, and is trivial. The other one is a conflict due to a later fix in the bio multi-page work, and needs a bit more care. * tag 'v5.1-rc6': (770 commits) Linux 5.1-rc6 block: make sure that bvec length can't be overflow block: kill all_q_node in request_queue x86/cpu/intel: Lower the "ENERGY_PERF_BIAS: Set to normal" message's log priority coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping mm/kmemleak.c: fix unused-function warning init: initialize jump labels before command line option parsing kernel/watchdog_hld.c: hard lockup message should end with a newline kcov: improve CONFIG_ARCH_HAS_KCOV help text mm: fix inactive list balancing between NUMA nodes and cgroups mm/hotplug: treat CMA pages as unmovable proc: fixup proc-pid-vm test proc: fix map_files test on F29 mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n mm/memory_hotplug: do not unlock after failing to take the device_hotplug_lock mm: swapoff: shmem_unuse() stop eviction without igrab() mm: swapoff: take notice of completion sooner mm: swapoff: remove too limiting SWAP_UNUSE_MAX_TRIES mm: swapoff: shmem_find_swap_entries() filter out other types slab: store tagged freelist for off-slab slabmgmt ... Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r--net/batman-adv/translation-table.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index f73d79139ae7..26c4e2493ddf 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -616,14 +616,26 @@ static void batadv_tt_global_free(struct batadv_priv *bat_priv,
struct batadv_tt_global_entry *tt_global,
const char *message)
{
+ struct batadv_tt_global_entry *tt_removed_entry;
+ struct hlist_node *tt_removed_node;
+
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Deleting global tt entry %pM (vid: %d): %s\n",
tt_global->common.addr,
batadv_print_vid(tt_global->common.vid), message);
- batadv_hash_remove(bat_priv->tt.global_hash, batadv_compare_tt,
- batadv_choose_tt, &tt_global->common);
- batadv_tt_global_entry_put(tt_global);
+ tt_removed_node = batadv_hash_remove(bat_priv->tt.global_hash,
+ batadv_compare_tt,
+ batadv_choose_tt,
+ &tt_global->common);
+ if (!tt_removed_node)
+ return;
+
+ /* drop reference of remove hash entry */
+ tt_removed_entry = hlist_entry(tt_removed_node,
+ struct batadv_tt_global_entry,
+ common.hash_entry);
+ batadv_tt_global_entry_put(tt_removed_entry);
}
/**
@@ -1337,9 +1349,10 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr,
unsigned short vid, const char *message,
bool roaming)
{
+ struct batadv_tt_local_entry *tt_removed_entry;
struct batadv_tt_local_entry *tt_local_entry;
u16 flags, curr_flags = BATADV_NO_FLAGS;
- void *tt_entry_exists;
+ struct hlist_node *tt_removed_node;
tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid);
if (!tt_local_entry)
@@ -1368,15 +1381,18 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr,
*/
batadv_tt_local_event(bat_priv, tt_local_entry, BATADV_TT_CLIENT_DEL);
- tt_entry_exists = batadv_hash_remove(bat_priv->tt.local_hash,
+ tt_removed_node = batadv_hash_remove(bat_priv->tt.local_hash,
batadv_compare_tt,
batadv_choose_tt,
&tt_local_entry->common);
- if (!tt_entry_exists)
+ if (!tt_removed_node)
goto out;
- /* extra call to free the local tt entry */
- batadv_tt_local_entry_put(tt_local_entry);
+ /* drop reference of remove hash entry */
+ tt_removed_entry = hlist_entry(tt_removed_node,
+ struct batadv_tt_local_entry,
+ common.hash_entry);
+ batadv_tt_local_entry_put(tt_removed_entry);
out:
if (tt_local_entry)