[PATCH] kcm: fix variable type

From: Andrzej Hajda
Date: Fri Mar 11 2016 - 01:51:44 EST


Function skb_splice_bits can return negative values, its result should
be assigned to signed variable to allow correct error checking.

The problem has been detected using patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci.

Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
net/kcm/kcmsock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 40662d73..0b68ba7 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;
+ ssize_t copied;
struct sk_buff *skb;

/* Only support splice for SOCKSEQPACKET */
--
1.9.1