coverity: open can return 0 as an fd, change error check to < 0

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>

diff --git a/src/lxc/bdev.c b/src/lxc/bdev.c
index 1a611f9a503cc83556ca0fd438f8dc385915b369..181e98ea11915dafba7075a761b6f7b3d21b757d 100644 (file)
--- a/src/lxc/bdev.c
+++ b/src/lxc/bdev.c
@@ -90,7 +90,7 @@ static int blk_getsize(const char *path, unsigned long *size)
        int fd, ret;
 
        fd = open(path, O_RDONLY);
-       if (!fd)
+       if (fd < 0)
                return -1;
        ret = ioctl(fd, BLKGETSIZE64, size);
        close(fd);