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;