From: janitor@sternwelten.at
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org, janitor@sternwelten.at, domen@coderock.org
Subject: [patch 3/9] list_for_each_entry: drivers-net-ppp_generic.c
Date: Sat, 20 Nov 2004 03:31:48 +0100 [thread overview]
Message-ID: <E1CVL2S-0000nb-Va@sputnik> (raw)
Make code more readable with list_for_each_entry.
Compile tested.
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Maximilian Attems <janitor@sternwelten.at>
---
linux-2.6.10-rc2-bk4-max/drivers/net/ppp_generic.c | 21 ++++++---------------
1 files changed, 6 insertions(+), 15 deletions(-)
diff -puN drivers/net/ppp_generic.c~list-for-each-entry-drivers_net_ppp_generic drivers/net/ppp_generic.c
--- linux-2.6.10-rc2-bk4/drivers/net/ppp_generic.c~list-for-each-entry-drivers_net_ppp_generic 2004-11-19 17:14:51.000000000 +0100
+++ linux-2.6.10-rc2-bk4-max/drivers/net/ppp_generic.c 2004-11-19 17:14:51.000000000 +0100
@@ -1228,8 +1228,7 @@ static int ppp_mp_explode(struct ppp *pp
nch = 0;
hdrlen = (ppp->flags & SC_MP_XSHORTSEQ)? MPHDRLEN_SSN: MPHDRLEN;
- list = &ppp->channels;
- while ((list = list->next) != &ppp->channels) {
+ list_for_each(list, &ppp->channels) {
pch = list_entry(list, struct channel, clist);
nch += pch->avail = (skb_queue_len(&pch->file.xq) == 0);
/*
@@ -1688,7 +1687,7 @@ static void
ppp_receive_mp_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
{
u32 mask, seq;
- struct list_head *l;
+ struct channel *ch;
int mphdrlen = (ppp->flags & SC_MP_SHORTSEQ)? MPHDRLEN_SSN: MPHDRLEN;
if (!pskb_may_pull(skb, mphdrlen + 1) || ppp->mrru == 0)
@@ -1742,8 +1741,7 @@ ppp_receive_mp_frame(struct ppp *ppp, st
* The list of channels can't change because we have the receive
* side of the ppp unit locked.
*/
- for (l = ppp->channels.next; l != &ppp->channels; l = l->next) {
- struct channel *ch = list_entry(l, struct channel, clist);
+ list_for_each_entry(ch, &ppp->channels, clist) {
if (seq_before(ch->lastseq, seq))
seq = ch->lastseq;
}
@@ -2229,10 +2227,8 @@ static struct compressor_entry *
find_comp_entry(int proto)
{
struct compressor_entry *ce;
- struct list_head *list = &compressor_list;
- while ((list = list->next) != &compressor_list) {
- ce = list_entry(list, struct compressor_entry, list);
+ list_for_each_entry(ce, &compressor_list, list) {
if (ce->comp->compress_proto == proto)
return ce;
}
@@ -2502,20 +2498,15 @@ static struct channel *
ppp_find_channel(int unit)
{
struct channel *pch;
- struct list_head *list;
- list = &new_channels;
- while ((list = list->next) != &new_channels) {
- pch = list_entry(list, struct channel, list);
+ list_for_each_entry(pch, &new_channels, list) {
if (pch->file.index == unit) {
list_del(&pch->list);
list_add(&pch->list, &all_channels);
return pch;
}
}
- list = &all_channels;
- while ((list = list->next) != &all_channels) {
- pch = list_entry(list, struct channel, list);
+ list_for_each_entry(pch, &all_channels, list) {
if (pch->file.index == unit)
return pch;
}
_
reply other threads:[~2004-11-20 5:02 UTC|newest]
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