diff options
Diffstat (limited to 'kernel/printk.c')
| -rw-r--r-- | kernel/printk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 50c96b5651b6..852269adad25 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -389,8 +389,10 @@ static ssize_t devkmsg_writev(struct kiocb *iocb, const struct iovec *iv, line = buf; for (i = 0; i < count; i++) { - if (copy_from_user(line, iv[i].iov_base, iv[i].iov_len)) + if (copy_from_user(line, iv[i].iov_base, iv[i].iov_len)) { + ret = -EFAULT; goto out; + } line += iv[i].iov_len; } |