From d7161f3b5150d217c8cbbf16a5d567885679b7b8 Mon Sep 17 00:00:00 2001
From: Neil Brown <neilb@suse.de>
Date: Sat, 12 Jul 2008 20:28:38 +1000
Subject: [PATCH] Fix fd comparison in Incremental

fd==0 is theoretically possible...
---
 Incremental.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Incremental.c b/Incremental.c
index 712f2bdb..266111ae 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -727,7 +727,7 @@ static char *container2devname(char *devname)
 	int fd = open(devname, O_RDONLY);
 	char *mdname = NULL;
 
-	if (fd > 0) {
+	if (fd >= 0) {
 		mdname = devnum2devname(fd2devnum(fd));
 		close(fd);
 	}
-- 
2.39.2