From: John Crispin <john@openwrt.org>
Date: Wed, 11 Jun 2014 13:00:25 +0000 (+0000)
Subject: base-files: properly remove stderr from zcat/bzcat
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Flynxis%2Fomap.git;a=commitdiff_plain;h=bedd6f44a5f7f812f77e20d294f562223af796da

base-files: properly remove stderr from zcat/bzcat

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 41135
---

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 11de82904c..91e61ba4f8 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -182,11 +182,11 @@ get_image() { # <source> [ <command> ]
 }
 
 get_magic_word() {
-	get_image "$@" | dd bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
+	(get_image "$@" | dd bs=2 count=1 | hexdump -v -n 2 -e '1/1 "%02x"') 2>/dev/null
 }
 
 get_magic_long() {
-	get_image "$@" | dd bs=4 count=1 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
+	(get_image "$@" | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
 }
 
 jffs2_copy_config() {