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authorDan Carpenter <dan.carpenter@oracle.com>2011-10-18 01:04:20 +0400
committerDavid S. Miller <davem@davemloft.net>2011-10-20 03:35:51 +0400
commit4f25af27827080c3163e59c7af1ca84a05ce121c (patch)
tree393c42c11b7876456b8cdca6f94ff5d7c301337b /net/core
parent79de9efdb93d8e693dccd0eb7d80cd6092f5875b (diff)
downloadlinux-4f25af27827080c3163e59c7af1ca84a05ce121c.tar.xz
filter: use unsigned int to silence static checker warning
This is just a cleanup. My testing version of Smatch warns about this: net/core/filter.c +380 check_load_and_stores(6) warn: check 'flen' for negative values flen comes from the user. We try to clamp the values here between 1 and BPF_MAXINSNS but the clamp doesn't work because it could be negative. This is a bug, but it's not exploitable. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/filter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index 8fcc2d776e09..5dea45279215 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -436,7 +436,7 @@ error:
*
* Returns 0 if the rule set is legal or -EINVAL if not.
*/
-int sk_chk_filter(struct sock_filter *filter, int flen)
+int sk_chk_filter(struct sock_filter *filter, unsigned int flen)
{
/*
* Valid instructions are initialized to non-0.