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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/misc
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/misc')
-rw-r--r--drivers/misc/sram.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index c89fe87..9769325 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -17,6 +17,7 @@
#include <driver.h>
#include <malloc.h>
#include <init.h>
+#include <linux/err.h>
struct sram {
struct resource *res;
@@ -39,8 +40,8 @@ static int sram_probe(struct device_d *dev)
int ret;
base = dev_request_mem_region(dev, 0);
- if (!base)
- return -EBUSY;
+ if (IS_ERR(base))
+ return PTR_ERR(base);
sram = xzalloc(sizeof(*sram));