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openwrt/target/linux/layerscape/patches-4.4/7177-staging-fsl-mc-return-...

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From 324147c1a6806301d9441a8d83c7c5ac880140cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
Date: Mon, 11 Apr 2016 11:56:16 -0500
Subject: [PATCH 177/226] staging: fsl-mc: return -EINVAL for all
fsl_mc_portal_allocate() failures
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There are some error paths that allow for a NULL new_mc_io and err = 0
return code. Return -EINVAL instead.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Acked-by: German Rivera <german.rivera@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/fsl-mc/bus/mc-allocator.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/staging/fsl-mc/bus/mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/mc-allocator.c
@@ -293,6 +293,7 @@ int __must_check fsl_mc_portal_allocate(
if (error < 0)
return error;
+ error = -EINVAL;
dpmcp_dev = resource->data;
if (WARN_ON(!dpmcp_dev))
goto error_cleanup_resource;