mtd: denali_dt: Fix incorrect error check

The return value of devm_ioremap_nocache should be checked here instead
of res.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c
index 546f8cb5688d52ce80a10df1cd82810b256a9adb..02988b00031acab08b0ee46532e7234fd11eb770 100644 (file)
--- a/drivers/mtd/nand/denali_dt.c
+++ b/drivers/mtd/nand/denali_dt.c
@@ -42,7 +42,7 @@ static void __iomem *request_and_map(struct device *dev,
        }
 
        ptr = devm_ioremap_nocache(dev, res->start, resource_size(res));
-       if (!res)
+       if (!ptr)
                dev_err(dev, "ioremap_nocache of %s failed!", res->name);
 
        return ptr;