From 67c631329a0207476f9342843601b1ad633687f7 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 25 Feb 2013 16:54:39 -0600
Subject: [PATCH] btrfs-progs: fix open error test in cmd_start_replace

open() returns a negative fd on failure, not 0.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
 cmds-replace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmds-replace.c b/cmds-replace.c
index d14c9b57..9397396c 100644
--- a/cmds-replace.c
+++ b/cmds-replace.c
@@ -235,7 +235,7 @@ static int cmd_start_replace(int argc, char **argv)
 		}
 	} else {
 		fdsrcdev = open(srcdev, O_RDWR);
-		if (!fdsrcdev) {
+		if (fdsrcdev < 0) {
 			fprintf(stderr, "Error: Unable to open device '%s'\n",
 				srcdev);
 			goto leave_with_error;