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authorRobert Richter <robert.richter@amd.com>2010-10-25 16:28:14 +0200
committerRobert Richter <robert.richter@amd.com>2010-10-25 16:29:12 +0200
commitdbd1e66e04558a582e673bc4a9cd933ce0228d93 (patch)
tree85f3633276282cde0a3ac558d988704eaa3e68af /net/core/sock.c
parent328b8f1ba50b708a1b3c0acd7c41ee1b356822f6 (diff)
parent4a60cfa9457749f7987fd4f3c956dbba5a281129 (diff)
Merge commit 'linux-2.6/master' (early part) into oprofile/core
This branch depends on these apic patches: apic, x86: Use BIOS settings for IBS and MCE threshold interrupt LVT offsets apic, x86: Check if EILVT APIC registers are available (AMD only) Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'net/core/sock.c')
-rw-r--r--net/core/sock.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index ef30e9d286e..7d99e13148e 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1078,8 +1078,11 @@ static void sk_prot_free(struct proto *prot, struct sock *sk)
#ifdef CONFIG_CGROUPS
void sock_update_classid(struct sock *sk)
{
- u32 classid = task_cls_classid(current);
+ u32 classid;
+ rcu_read_lock(); /* doing current task, which cannot vanish. */
+ classid = task_cls_classid(current);
+ rcu_read_unlock();
if (classid && classid != sk->sk_classid)
sk->sk_classid = classid;
}