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Check the return value of fcntl in qemu_set_cloexec

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Assert that the return value is not an error. This issue was found by
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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>
This commit is contained in:
Stefano Stabellini 2017-05-09 12:04:52 -07:00 committed by Paolo Bonzini
parent fd56356422
commit 7e6478e7d4
1 changed files with 3 additions and 1 deletions
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4
util/oslib-posix.c
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@ -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);
}
/*