diff options
| author | Stefano Stabellini <sstabellini@kernel.org> | 2017-05-09 12:04:52 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-06 20:18:35 +0200 |
| commit | 7e6478e7d4f2c4b607069bf488d57089a9d3244b (patch) | |
| tree | 6809c1027e660e2dc5d43f8af58b36cfabb73ddb | |
| parent | fd563564222f308e1d86847efdec8555fb472536 (diff) | |
Check the return value of fcntl in qemu_set_cloexec
Assert that the return value is not an error. This issue was found by
Coverity.
CID: 1374831
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
CC: groug@kaod.org
CC: pbonzini@redhat.com
CC: Eric Blake <eblake@redhat.com>
Message-Id: <1494356693-13190-2-git-send-email-sstabellini@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | util/oslib-posix.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c index 7e28c161b2..048d40d9de 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -182,7 +182,9 @@ void qemu_set_cloexec(int fd) { int f; f = fcntl(fd, F_GETFD); - fcntl(fd, F_SETFD, f | FD_CLOEXEC); + assert(f != -1); + f = fcntl(fd, F_SETFD, f | FD_CLOEXEC); + assert(f != -1); } /* |