[Xen-devel] [PATCH v2 2/3] Check the return value of fcntl in qemu_set_cloexec

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

Assert that the return value is not an error. This issue was found by
Coverity.

CID: 1374831

Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: groug@xxxxxxxx
CC: pbonzini@xxxxxxxxxx
CC: Eric Blake <eblake@xxxxxxxxxx>
---
 util/oslib-posix.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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);
 }
 
 /*
-- 
1.9.1


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