From 2e2173df68f419aa41558e1fa90d7263b2d0211f Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Mon, 2 Apr 2007 02:21:46 +0200 Subject: [PATCH] ieee1394: eth1394: clean up fragment_overlap offset > fi->offset + fi->len - 1 == !(offset < fi->offset + fi->len) offset + len - 1 < fi->offset == !(offset + len > fi->offset) !(A || B) == (!A && !B) Signed-off-by: Stefan Richter --- drivers/ieee1394/eth1394.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 0047343..08f63c8 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -867,12 +867,12 @@ static u16 ether1394_parse_encap(struct sk_buff *skb, struct net_device *dev, static int fragment_overlap(struct list_head *frag_list, int offset, int len) { struct fragment_info *fi; + int end = offset + len; - list_for_each_entry(fi, frag_list, list) { - if ( ! ((offset > (fi->offset + fi->len - 1)) || - ((offset + len - 1) < fi->offset))) + list_for_each_entry(fi, frag_list, list) + if (offset < fi->offset + fi->len && end > fi->offset) return 1; - } + return 0; } -- 2.7.4