[PATCH] scripts/dtc: dtx_diff, redirects stderror to /dev/null

scripts/dtc/dtx_diff searches CONFIG_DTC=y in .config,
but it doesn't checks whether the file exists or not.

So, this patch redirects the error in grep to /dev/null

Tested script with and without .config file.

/scripts/dtc/dtx_diff test.dts

Signed-off-by: Gaurav Minocha <redacted>
Acked-by: Frank Rowand <redacted>
---
 scripts/dtc/dtx_diff | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
index 959ab26..ec47f95 100755
--- a/scripts/dtc/dtx_diff
+++ b/scripts/dtc/dtx_diff

@@ -266,7 +266,7 @@ DTC="${__KBUILD_OUTPUT}/scripts/dtc/dtc"
 
 if [ ! -x ${DTC} ] ; then
 	__DTC="dtc"
-	if grep -q "^CONFIG_DTC=y" ${__KBUILD_OUTPUT}/.config ; then
+	if grep -q "^CONFIG_DTC=y" ${__KBUILD_OUTPUT}/.config 2>/dev/null; then
 		make_command='
          make scripts'
 	else

-- 
2.1.4

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