diff options
-rw-r--r-- | drivers/base/driver.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 3be4b99030..81cedca1db 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -262,6 +262,8 @@ void __iomem *dev_request_mem_region(struct device_d *dev, int num) return NULL; res = request_iomem_region(dev_name(dev), res->start, res->size); + if (!res) + return NULL; return (void __force __iomem *)res->start; } |