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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-04-02 02:21:46 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-04-30 00:00:31 +0200 |
| commit | 2e2173df68f419aa41558e1fa90d7263b2d0211f (patch) | |
| tree | c700d159ebf78ecc86d42d5b337933f8c0795d04 | |
| parent | 01590d20b42400be46cf4e565b39764e38ca87fe (diff) | |
| download | linux-2e2173df68f419aa41558e1fa90d7263b2d0211f.tar.gz linux-2e2173df68f419aa41558e1fa90d7263b2d0211f.tar.bz2 linux-2e2173df68f419aa41558e1fa90d7263b2d0211f.zip | |
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@s5r6.in-berlin.de>
| -rw-r--r-- | drivers/ieee1394/eth1394.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 0047343dbc22..08f63c8d9b25 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; } |