shm: Fix using negative fd

Change-Id: Ib241e89b48c3ff338ecd30178a33a7477802ff0b

diff --git a/clients/simple-shm-shell.c b/clients/simple-shm-shell.c
index cbc92da..e0bdcb4 100644 (file)
--- a/clients/simple-shm-shell.c
+++ b/clients/simple-shm-shell.c
@@ -104,8 +104,10 @@ _create_anonymous_file (off_t size)
        strncat(name, template, PATH_MAX);
 
        fd = mkstemp(name);
-       if (fd >= 0)
-               unlink(name);
+       if (fd < 0)
+               return -1;
+
+       unlink(name);
 
        ret = ftruncate(fd, size);
        if (ret < 0) {