Author: pjd
Date: Sun Jul 1 16:26:07 2012
New Revision: 237931
URL: http://svn.freebsd.org/changeset/base/237931
Log:
Check if there is cmsg at all.
MFC after: 3 days
Modified:
head/sbin/hastd/proto_common.c
Modified: head/sbin/hastd/proto_common.c
==============================================================================
--- head/sbin/hastd/proto_common.c Sun Jul 1 15:43:52 2012
(r237930)
+++ head/sbin/hastd/proto_common.c Sun Jul 1 16:26:07 2012
(r237931)
@@ -181,7 +181,7 @@ proto_descriptor_recv(int sock, int *fdp
return (errno);
cmsg = CMSG_FIRSTHDR(&msg);
- if (cmsg->cmsg_level != SOL_SOCKET ||
+ if (cmsg == NULL || cmsg->cmsg_level != SOL_SOCKET ||
cmsg->cmsg_type != SCM_RIGHTS) {
return (EINVAL);
}
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