linux-kernel - [PATCH 08/12] staging: fsl-mc: Fixed bug in fsl_mc_allocator

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Date:	Tue, 13 Oct 2015 18:03:28 -0500
From:	"J. German Rivera" <German.Rivera@...escale.com>
To:	<gregkh@...uxfoundation.org>, <arnd@...db.de>,
	<devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>
CC:	<stuart.yoder@...escale.com>, <itai.katz@...escale.com>,
	<lijun.pan@...escale.com>, <leoli@...escale.com>,
	<scottwood@...escale.com>, <agraf@...e.de>,
	<bhamciu1@...escale.com>, <R89243@...escale.com>,
	<bhupesh.sharma@...escale.com>, <nir.erez@...escale.com>,
	<richard.schmitt@...escale.com>, <dan.carpenter@...cle.com>,
	"J. German Rivera" <German.Rivera@...escale.com>
Subject: [PATCH 08/12] staging: fsl-mc: Fixed bug in fsl_mc_allocator_remove

Call fsl_mc_resource_pool_remove_device() only if mc_dev->resource
is not NULL.
---
 drivers/staging/fsl-mc/bus/mc-allocator.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/fsl-mc/bus/mc-allocator.c b/drivers/staging/fsl-mc/bus/mc-allocator.c
index 527cb4b..e9c3dec 100644
--- a/drivers/staging/fsl-mc/bus/mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/mc-allocator.c
@@ -511,9 +511,11 @@ static int fsl_mc_allocator_remove(struct fsl_mc_device *mc_dev)
 	if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type)))
 		goto out;
 
-	error = fsl_mc_resource_pool_remove_device(mc_dev);
-	if (error < 0)
-		goto out;
+	if (mc_dev->resource) {
+		error = fsl_mc_resource_pool_remove_device(mc_dev);
+		if (error < 0)
+			goto out;
+	}
 
 	dev_dbg(&mc_dev->dev,
 		"Allocatable MC object device unbound from fsl_mc_allocator driver");
-- 
2.3.3

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