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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 09:07:06 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-16 08:32:10 +0200 |
| commit | 5bdc82c54a3306f2ae151a00f2df54f9240395b8 (patch) | |
| tree | b20a41ad645090b15bda9a89faffc718e0d3a833 /drivers/mtd/nand/nomadik_nand.c | |
| parent | 29b7f95f3bd244a4b4d036e1b3a94a7bfbe3581c (diff) | |
| download | barebox-5bdc82c54a3306f2ae151a00f2df54f9240395b8.tar.gz barebox-5bdc82c54a3306f2ae151a00f2df54f9240395b8.tar.xz | |
resource: Let dev_request_mem_region_by_name return an error pointer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mtd/nand/nomadik_nand.c')
| -rw-r--r-- | drivers/mtd/nand/nomadik_nand.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nomadik_nand.c b/drivers/mtd/nand/nomadik_nand.c index fbd8ecd487..8f37345bce 100644 --- a/drivers/mtd/nand/nomadik_nand.c +++ b/drivers/mtd/nand/nomadik_nand.c @@ -26,6 +26,7 @@ #include <malloc.h> #include <init.h> +#include <linux/err.h> #include <linux/types.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> @@ -190,7 +191,11 @@ static int nomadik_nand_probe(struct device_d *dev) } host->cmd_va = dev_request_mem_region_by_name(dev, "nand_cmd"); + if (IS_ERR(host->cmd_va)) + return PTR_ERR(host->cmd_va); host->addr_va = dev_request_mem_region_by_name(dev, "nand_addr"); + if (IS_ERR(host->addr_va)) + return PTR_ERR(host->addr_va); /* Link all private pointers */ mtd = &host->mtd; @@ -200,6 +205,8 @@ static int nomadik_nand_probe(struct device_d *dev) mtd->parent = dev; nand->IO_ADDR_W = nand->IO_ADDR_R = dev_request_mem_region_by_name(dev, "nand_data"); + if (IS_ERR(nand->IO_ADDR_W)) + return PTR_ERR(nand->IO_ADDR_W); nand->cmd_ctrl = nomadik_cmd_ctrl; nand->ecc.mode = NAND_ECC_HW; |