LKML Archive on lore.kernel.org
 help / color / Atom feed
From: "Ahmed S. Darwish" <darwish.07@gmail.com>
To: Joe Perches <joe@perches.com>
Cc: kkeil@suse.de, kai.germaschewski@gmx.de,
	linux-kernel@vger.kernel.org, isdn4linux@listserv.isdn4linux.de
Subject: Re: [PATCH 2.6.20] isdn-capi: Use ARRAY_SIZE macro when appropriate
Date: Tue, 6 Feb 2007 22:41:30 +0200
Message-ID: <20070206204130.GU8991@Ahmed> (raw)
In-Reply-To: <1170784337.3688.18.camel@localhost>

On Tue, Feb 06, 2007 at 09:52:17AM -0800, Joe Perches wrote:
> On Tue, 2007-02-06 at 18:04 +0200, Ahmed S. Darwish wrote:
> > A patch to use ARRAY_SIZE macro already defined in kernel.h
> > Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
[...]
> > -    int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]);
> > +    int nelem = ARRAY_SIZE(procfsentries);
> >      int i;
> >  
> >      for (i=0; i < nelem; i++) {
> 
> For these patches, perhaps you can eliminate the temporary
> variable and change the loop to the more common form of
> 
> 	for (i = 0; i < ARRAY_SIZE(array); i++) {

Thanks, I think it's better too. Here's the modified patch.

A patch to use ARRAY_SIZE macro when appropriate.

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
---
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index d22c022..87fe89c 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1456,10 +1456,9 @@ static struct procfsentries {
 
 static void __init proc_init(void)
 {
-    int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]);
     int i;
 
-    for (i=0; i < nelem; i++) {
+    for (i = 0; i < ARRAY_SIZE(procfsentries); i++) {
         struct procfsentries *p = procfsentries + i;
 	p->procent = create_proc_entry(p->name, p->mode, NULL);
 	if (p->procent) p->procent->read_proc = p->read_proc;
@@ -1468,10 +1467,9 @@ static void __init proc_init(void)
 
 static void __exit proc_exit(void)
 {
-    int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]);
     int i;
 
-    for (i=nelem-1; i >= 0; i--) {
+    for (i = ARRAY_SIZE(procfsentries) - 1; i >= 0; i--) {
         struct procfsentries *p = procfsentries + i;
 	if (p->procent) {
 	   remove_proc_entry(p->name, NULL);
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index c4d438c..cff5d1e 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -2218,10 +2218,9 @@ static struct procfsentries {
 
 static void __init proc_init(void)
 {
-    int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]);
     int i;
 
-    for (i=0; i < nelem; i++) {
+    for (i = 0; i < ARRAY_SIZE(procfsentries); i++) {
         struct procfsentries *p = procfsentries + i;
 	p->procent = create_proc_entry(p->name, p->mode, NULL);
 	if (p->procent) p->procent->read_proc = p->read_proc;
@@ -2230,10 +2229,9 @@ static void __init proc_init(void)
 
 static void __exit proc_exit(void)
 {
-    int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]);
     int i;
 
-    for (i=nelem-1; i >= 0; i--) {
+    for (i = ARRAY_SIZE(procfsentries) - 1; i >= 0; i--) {
         struct procfsentries *p = procfsentries + i;
 	if (p->procent) {
 	   remove_proc_entry(p->name, NULL);


-- 
Ahmed S. Darwish
http://darwish-07.blogspot.com

  reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-06 16:02 [PATCH 00] A series of patches to use ARRAY_SIZE macro Ahmed S. Darwish
2007-02-06 16:03 ` [PATCH 2.6.20] DVB: Use ARRAY_SIZE macro when appropriate Ahmed S. Darwish
2007-02-06 16:03 ` [PATCH 2.6.20] KVM: " Ahmed S. Darwish
2007-02-06 16:56   ` Dor Laor
2007-02-06 16:04 ` [PATCH 2.6.20] isdn-eicon: " Ahmed S. Darwish
2007-02-06 16:04 ` [PATCH 2.6.20] isdn-capi: " Ahmed S. Darwish
2007-02-06 17:52   ` Joe Perches
2007-02-06 20:41     ` Ahmed S. Darwish [this message]
2007-02-06 21:18       ` Philippe De Muyter
2007-02-07 19:41         ` Ahmed S. Darwish
2007-02-07 21:02           ` Philippe De Muyter
2007-02-08 15:53         ` Bill Davidsen
2007-02-08 16:02           ` Kai Germaschewski
2007-02-06 16:05 ` [PATCH 2.6.20 1/2] OSS: " Ahmed S. Darwish
2007-02-06 16:05 ` [PATCH 2.6.20 2/2] " Ahmed S. Darwish
2007-02-06 16:06 ` [PATCH 2.6.20] atm: " Ahmed S. Darwish
2007-02-06 16:06 ` [PATCH 2.6.20] drivers/md.c: " Ahmed S. Darwish
2007-02-06 16:07 ` [PATCH 2.6.20] infinband: " Ahmed S. Darwish
2007-02-06 18:57   ` Roland Dreier
2007-02-06 16:07 ` [PATCH 2.6.20] s390-drivers: " Ahmed S. Darwish
2007-02-07  6:32   ` Cornelia Huck
2007-02-06 16:08 ` [PATCH 2.6.20] rcutorture: " Ahmed S. Darwish
2007-02-07 18:29   ` Josh Triplett
2007-02-06 16:08 ` [PATCH 2.6.20] intel-agp: " Ahmed S. Darwish
2007-02-06 16:08 ` [PATCH 2.6.20] reiserfs: " Ahmed S. Darwish
2007-02-06 16:09 ` [PATCH 2.6.20] toshiba-acpi: " Ahmed S. Darwish
2007-02-06 16:09 ` [PATCH 2.6.20] w1: " Ahmed S. Darwish
2007-02-06 16:19   ` Evgeniy Polyakov
2007-02-06 16:10 ` [PATCH 2.6.20] drm: " Ahmed S. Darwish

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070206204130.GU8991@Ahmed \
    --to=darwish.07@gmail.com \
    --cc=isdn4linux@listserv.isdn4linux.de \
    --cc=joe@perches.com \
    --cc=kai.germaschewski@gmx.de \
    --cc=kkeil@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

LKML Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lkml.kernel.org/lkml/0 lkml/git/0.git
	git clone --mirror https://lkml.kernel.org/lkml/1 lkml/git/1.git
	git clone --mirror https://lkml.kernel.org/lkml/2 lkml/git/2.git
	git clone --mirror https://lkml.kernel.org/lkml/3 lkml/git/3.git
	git clone --mirror https://lkml.kernel.org/lkml/4 lkml/git/4.git
	git clone --mirror https://lkml.kernel.org/lkml/5 lkml/git/5.git
	git clone --mirror https://lkml.kernel.org/lkml/6 lkml/git/6.git
	git clone --mirror https://lkml.kernel.org/lkml/7 lkml/git/7.git
	git clone --mirror https://lkml.kernel.org/lkml/8 lkml/git/8.git
	git clone --mirror https://lkml.kernel.org/lkml/9 lkml/git/9.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 lkml lkml/ https://lkml.kernel.org/lkml \
		linux-kernel@vger.kernel.org
	public-inbox-index lkml

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-kernel


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git