diff options
| -rw-r--r-- | drivers/leds/uleds.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/leds/uleds.c b/drivers/leds/uleds.c index 470015e3f802..6affa581b61d 100644 --- a/drivers/leds/uleds.c +++ b/drivers/leds/uleds.c @@ -102,7 +102,8 @@ static ssize_t uleds_write(struct file *file, const char __user *buffer, name = udev->user_dev.name; if (!name[0] || !strcmp(name, ".") || !strcmp(name, "..") || - strchr(name, '/')) { + strnchr(name, sizeof(udev->user_dev.name), '/') || + !strnchr(name, sizeof(udev->user_dev.name), '\0')) { ret = -EINVAL; goto out; } |