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authorIngo Molnar <mingo@elte.hu>2009-10-01 11:20:33 +0200
committerIngo Molnar <mingo@elte.hu>2009-10-01 11:20:48 +0200
commit0aa73ba1c4e1ad1d51a29e0df95ccd9f746918b6 (patch)
treef0714ddcd02812b4fbe3b5405df9e4068f5587e2 /kernel/audit.c
parent925936ebf35a95c290e010b784c962164e6728f3 (diff)
parent33974093c024f08caadd2fc71a83bd811ed1831d (diff)
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Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up latest fixes and update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/audit.c')
-rw-r--r--kernel/audit.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index defc2e6..5feed23 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -855,18 +855,24 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
break;
}
case AUDIT_SIGNAL_INFO:
- err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
- if (err)
- return err;
+ len = 0;
+ if (audit_sig_sid) {
+ err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
+ if (err)
+ return err;
+ }
sig_data = kmalloc(sizeof(*sig_data) + len, GFP_KERNEL);
if (!sig_data) {
- security_release_secctx(ctx, len);
+ if (audit_sig_sid)
+ security_release_secctx(ctx, len);
return -ENOMEM;
}
sig_data->uid = audit_sig_uid;
sig_data->pid = audit_sig_pid;
- memcpy(sig_data->ctx, ctx, len);
- security_release_secctx(ctx, len);
+ if (audit_sig_sid) {
+ memcpy(sig_data->ctx, ctx, len);
+ security_release_secctx(ctx, len);
+ }
audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_SIGNAL_INFO,
0, 0, sig_data, sizeof(*sig_data) + len);
kfree(sig_data);