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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/mtd/nand/atmel_nand.c
parent5bdc82c54a3306f2ae151a00f2df54f9240395b8 (diff)
downloadbarebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.gz
barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.xz
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/mtd/nand/atmel_nand.c')
-rw-r--r--drivers/mtd/nand/atmel_nand.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 1e7c6c6662..524606a407 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -34,6 +34,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
+#include <linux/err.h>
#include <io.h>
#include <mach/board.h>
@@ -1199,6 +1200,8 @@ static int __init atmel_nand_probe(struct device_d *dev)
return -ENOMEM;
host->io_base = dev_request_mem_region(dev, 0);
+ if (IS_ERR(host->io_base))
+ return PTR_ERR(host->io_base);
mtd = &host->mtd;
nand_chip = &host->nand_chip;