diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 2 |
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) |