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authorJens Axboe <axboe@kernel.dk>2018-02-05 12:55:38 -0700
committerJens Axboe <axboe@kernel.dk>2018-02-05 12:55:38 -0700
commit9e05c864993c5442227f83ae1694a737d7a102ed (patch)
treee35b60bb3c0c179f147e9acaad5444f1e5d9117e /net/ipv4/igmp.c
parent3c15f3f545afa320c5e3822825a9a53c664776b6 (diff)
parent35277995e17919ab838beae765f440674e8576eb (diff)
Merge branch 'master' into test
* master: (688 commits) dt-bindings: mailbox: qcom: Document the APCS clock binding mailbox: qcom: Create APCS child device for clock controller mailbox: qcom: Convert APCS IPC driver to use regmap KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES KVM/x86: Add IBPB support KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX pinctrl: remove include file from <linux/device.h> firmware: dmi: handle missing DMI data gracefully firmware: dmi_scan: Fix handling of empty DMI strings firmware: dmi_scan: Drop dmi_initialized firmware: dmi: Optimize dmi_matches Revert "defer call to mem_cgroup_sk_alloc()" soreuseport: fix mem leak in reuseport_add_sock() net: qlge: use memmove instead of skb_copy_to_linear_data net: qed: use correct strncpy() size net: cxgb4: avoid memcpy beyond end of source buffer cls_u32: add missing RCU annotation. r8152: set rx mode early when linking on ...
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 10f7f74a0831..f2402581fef1 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -386,7 +386,11 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu)
pip->frag_off = htons(IP_DF);
pip->ttl = 1;
pip->daddr = fl4.daddr;
+
+ rcu_read_lock();
pip->saddr = igmpv3_get_srcaddr(dev, &fl4);
+ rcu_read_unlock();
+
pip->protocol = IPPROTO_IGMP;
pip->tot_len = 0; /* filled in later */
ip_select_ident(net, skb, NULL);