diff mbox

[PULL,09/33] Check the return value of fcntl in qemu_set_cloexec

Message ID 1496320911-51305-10-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini June 1, 2017, 12:41 p.m. UTC
From: Stefano Stabellini <sstabellini@kernel.org>

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>
---
 util/oslib-posix.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 4d9189e..16894ad 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);
 }
 
 /*