From: Fushuai Wang <[email protected]> Use copy_from_user_nul() instead of copy_from_user() to simplify the code.
No functional change. Signed-off-by: Fushuai Wang <[email protected]> --- kernel/time/test_udelay.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/time/test_udelay.c b/kernel/time/test_udelay.c index 783f2297111b..08ff8fd43471 100644 --- a/kernel/time/test_udelay.c +++ b/kernel/time/test_udelay.c @@ -107,9 +107,8 @@ static ssize_t udelay_test_write(struct file *file, const char __user *buf, if (count >= sizeof(lbuf)) return -EINVAL; - if (copy_from_user(lbuf, buf, count)) + if (copy_from_user_nul(lbuf, buf, count)) return -EFAULT; - lbuf[count] = '\0'; ret = sscanf(lbuf, "%d %d", &usecs, &iters); if (ret < 1) -- 2.36.1
