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Check if there is cmsg at all.

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MFC after:	3 days
This commit is contained in:
Pawel Jakub Dawidek 2012-07-01 16:26:07 +00:00
parent d89862ac87
commit 4c13f63cba
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=237931
1 changed files with 1 additions and 1 deletions
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2
sbin/hastd/proto_common.c
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@ -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);
}