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authorIngo Molnar <mingo@kernel.org>2015-12-14 09:31:23 +0100
committerIngo Molnar <mingo@kernel.org>2015-12-14 09:31:23 +0100
commit057032e457f702e2f4af18cfa99c3afab6841d24 (patch)
treed46c8325756a3a2be28c286b1408e2e314e3dafb /net/core/scm.c
parent54c9238cfd495d234b0e02fa7dcce5b1671a42dd (diff)
parent9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff)
Merge tag 'v4.4-rc5' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/core/scm.c')
-rw-r--r--net/core/scm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/scm.c b/net/core/scm.c
index 3b6899b7d810..8a1741b14302 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -305,6 +305,8 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
err = put_user(cmlen, &cm->cmsg_len);
if (!err) {
cmlen = CMSG_SPACE(i*sizeof(int));
+ if (msg->msg_controllen < cmlen)
+ cmlen = msg->msg_controllen;
msg->msg_control += cmlen;
msg->msg_controllen -= cmlen;
}