diff --git a/drivers/ufs/core/ufs-debugfs.c b/drivers/ufs/core/ufs-debugfs.c
index e3dd81d6fe82..be527209540d 100644
--- a/drivers/ufs/core/ufs-debugfs.c
+++ b/drivers/ufs/core/ufs-debugfs.c
@@ -165,7 +165,7 @@ static ssize_t ufs_saved_err_write(struct file *file, const char __user *buf,
 	char val_str[16] = { };
 	int val, ret;
 
-	if (count > sizeof(val_str))
+	if (count >= sizeof(val_str))
 		return -EINVAL;
 	if (copy_from_user(val_str, buf, count))
 		return -EFAULT;