btrfs-progs: use the correct variable

It's res instead of ret, wrong error message could be prointed in case
of error.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/cmds-device.c b/cmds-device.c
index cbb3243..1022656 100644 (file)
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -183,7 +183,7 @@ static int cmd_rm_dev(int argc, char **argv)
                if (res) {
                        const char *msg;
 
-                       if (ret > 0)
+                       if (res > 0)
                                msg = btrfs_err_str(res);
                        else
                                msg = strerror(e);