diff options
Diffstat (limited to 'drivers/misc/sram.c')
| -rw-r--r-- | drivers/misc/sram.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c index 0466a15289..9769325338 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)); @@ -48,6 +49,8 @@ static int sram_probe(struct device_d *dev) cdev_find_free_index("sram")); res = dev_get_resource(dev, IORESOURCE_MEM, 0); + if (IS_ERR(res)) + return PTR_ERR(res); sram->cdev.size = (unsigned long)resource_size(res); sram->cdev.ops = &memops; |