summaryrefslogtreecommitdiffstats
path: root/drivers/dma
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2014-07-31 10:38:08 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2014-09-16 08:32:10 +0200
commited6e965824303255cacc1c1a195d3684caa26bce (patch)
tree26e2b1b78498675ceae4dd2e990836c26ec1d5ec /drivers/dma
parent5bdc82c54a3306f2ae151a00f2df54f9240395b8 (diff)
downloadbarebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.gz
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>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/apbh_dma.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c
index 665d394..cd218f4 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;