On Tue, May 17, 2016 at 9:44 AM, David Miller <da...@davemloft.net> wrote: > From: Cong Wang <xiyou.wangc...@gmail.com> > Date: Tue, 17 May 2016 09:04:21 -0700 > >> On Mon, May 16, 2016 at 11:40 AM, David Binderman >> <linuxdev.baldr...@gmail.com> wrote: >>> Hello there, >>> >>> linux-4.6/net/kcm/kcmsock.c:1508]: (style) Checking if unsigned >>> variable 'copied' is less than zero. >>> >>> Source code is >>> >>> if (copied < 0) { >>> >>> but >>> >>> size_t copied; >>> >>> Suggest code rework. >> >> Thanks for the report! I think the following patch is enough: >> >> diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c >> index 40662d73..8bfc390 100644 >> --- a/net/kcm/kcmsock.c >> +++ b/net/kcm/kcmsock.c >> @@ -1483,7 +1483,7 @@ static ssize_t kcm_splice_read(struct socket >> *sock, loff_t *ppos, >> long timeo; >> struct kcm_rx_msg *rxm; >> int err = 0; >> - size_t copied; >> + int copied; > > Or 'ssize_t' since that is the return type of this function.
skb_splice_bits() is still declared as int: int skb_splice_bits(struct sk_buff *skb, struct sock *sk, unsigned int offset, ... But yeah, we could change it to ssize_t as well, perhaps in a separated patch?