diff options
| -rw-r--r-- | drivers/auxdisplay/line-display.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/auxdisplay/line-display.c b/drivers/auxdisplay/line-display.c index c4dbb13293d1..8d91c2099661 100644 --- a/drivers/auxdisplay/line-display.c +++ b/drivers/auxdisplay/line-display.c @@ -12,6 +12,7 @@ #include <linux/device.h> #include <linux/idr.h> +#include <linux/kstrtox.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/string.h> @@ -166,9 +167,11 @@ static ssize_t scroll_step_ms_store(struct device *dev, { struct linedisp *linedisp = container_of(dev, struct linedisp, dev); unsigned int ms; + int err; - if (kstrtouint(buf, 10, &ms) != 0) - return -EINVAL; + err = kstrtouint(buf, 10, &ms); + if (err) + return err; linedisp->scroll_rate = msecs_to_jiffies(ms); if (linedisp->message && linedisp->message_len > linedisp->num_chars) { |