mxs-dma: remove useless variable

[firefly-linux-kernel-4.4.55.git] / drivers / mfd / aat2870-core.c

diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c
index dfdb0a2b68351af46aef5728e7ccf30ff4f10e5e..d4f594517521b30e5bc3344208b21d03801ef14d 100644 (file)
--- a/drivers/mfd/aat2870-core.c
+++ b/drivers/mfd/aat2870-core.c
@@ -312,8 +312,9 @@ static ssize_t aat2870_reg_write_file(struct file *file,
        while (*start == ' ')
                start++;
 
-       if (strict_strtoul(start, 16, &val))
-               return -EINVAL;
+       ret = kstrtoul(start, 16, &val);
+       if (ret)
+               return ret;
 
        ret = aat2870->write(aat2870, (u8)addr, (u8)val);
        if (ret)