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Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index 8487bf136e5c..5f3b5a2c4f37 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1948,6 +1948,8 @@ static int ___sys_sendmsg(struct socket *sock, struct user_msghdr __user *msg,
ctl_buf = msg_sys->msg_control;
ctl_len = msg_sys->msg_controllen;
} else if (ctl_len) {
+ BUILD_BUG_ON(sizeof(struct cmsghdr) !=
+ CMSG_ALIGN(sizeof(struct cmsghdr)));
if (ctl_len > sizeof(ctl)) {
ctl_buf = sock_kmalloc(sock->sk, ctl_len, GFP_KERNEL);
if (ctl_buf == NULL)