From: Stefan Agner <stefan@agner.ch>
Date: Fri, 10 Apr 2015 09:25:43 +0000 (+0200)
Subject: common, ubi: use positive return values for ubi check
X-Git-Tag: v2015.04~12
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6d0f45260846b8cafcae6a815178ff8ece7dea7a;p=oweals%2Fu-boot.git

common, ubi: use positive return values for ubi check

The ubi check command is expected to not fail and just check whether
a volume exist or not. Currently, when a volume does not exist, the
command fails which leads to an error:
"exit not allowed from main input shell."

Use 1 to indicate that a volume does not exist. This allows to use
ubi check in an if statement, e.g.
if ubi check rootfs; then; echo "exists"; else; echo "not there"; fi
---

diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
index 6c8570377e..cbc10c5494 100644
--- a/common/cmd_ubi.c
+++ b/common/cmd_ubi.c
@@ -114,7 +114,7 @@ static int ubi_check(char *name)
 			return 0;
 	}
 
-	return -EEXIST;
+	return 1;
 }