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Message-ID: <tkrat.9c20fcc8c1af8a26@s5r6.in-berlin.de>
Date: Mon, 2 Apr 2007 02:21:46 +0200 (CEST)
From: Stefan Richter <stefanr@...6.in-berlin.de>
To: linux1394-devel@...ts.sourceforge.net
cc: netdev@...r.kernel.org
Subject: [PATCH linux1394-2.6.git 11/15] 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 <stefanr@...6.in-berlin.de>
---
drivers/ieee1394/eth1394.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
Index: linux/drivers/ieee1394/eth1394.c
===================================================================
--- linux.orig/drivers/ieee1394/eth1394.c
+++ linux/drivers/ieee1394/eth1394.c
@@ -871,12 +871,12 @@ static u16 ether1394_parse_encap(struct
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;
}
--
Stefan Richter
-=====-=-=== -=-- ---=-
http://arcgraph.de/sr/
-
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