From ed6e965824303255cacc1c1a195d3684caa26bce Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Thu, 31 Jul 2014 10:38:08 +0200
Subject: resource: Let dev_request_mem_region return an error pointer

For all users fix or add the error check.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/dma/apbh_dma.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'drivers/dma')

diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c
index 665d394086..cd218f4582 100644
--- a/drivers/dma/apbh_dma.c
+++ b/drivers/dma/apbh_dma.c
@@ -18,6 +18,7 @@
 #include <dma/apbh-dma.h>
 #include <stmp-device.h>
 #include <linux/list.h>
+#include <linux/err.h>
 #include <common.h>
 #include <driver.h>
 #include <malloc.h>
@@ -597,8 +598,8 @@ static int apbh_dma_probe(struct device_d *dev)
 
 	apbh_dma = apbh = xzalloc(sizeof(*apbh));
 	apbh->regs = dev_request_mem_region(dev, 0);
-	if (!apbh->regs)
-		return -EBUSY;
+	if (IS_ERR(apbh->regs))
+		return PTR_ERR(apbh->regs);
 
 	apbh->id = id;
 
-- 
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