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authorFlorian Westphal <fw@strlen.de>2019-05-31 19:27:09 +0300
committerDavid S. Miller <davem@davemloft.net>2019-06-03 04:08:36 +0300
commit2638eb8b50cfc16240e0bb080b9afbf541a9b39d (patch)
tree84264a6f50aaedfac6854bef3d5972926d321c10 /net/mac80211
parentcb8f1478cea68bc9c9bca8bded9617d9b0b7beb6 (diff)
downloadlinux-2638eb8b50cfc16240e0bb080b9afbf541a9b39d.tar.xz
net: ipv4: provide __rcu annotation for ifa_list
ifa_list is protected by rcu, yet code doesn't reflect this. Add the __rcu annotations and fix up all places that are now reported by sparse. I've done this in the same commit to not add intermediate patches that result in new warnings. Reported-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 2b608044ae23..1f11907dc528 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -354,11 +354,11 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
sdata_lock(sdata);
/* Copy the addresses to the bss_conf list */
- ifa = idev->ifa_list;
+ ifa = rtnl_dereference(idev->ifa_list);
while (ifa) {
if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN)
bss_conf->arp_addr_list[c] = ifa->ifa_address;
- ifa = ifa->ifa_next;
+ ifa = rtnl_dereference(ifa->ifa_next);
c++;
}