From: Neil Brown <neilb@suse.com>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: sergey.senozhatsky@gmail.com, kernel-janitors@vger.kernel.org,
linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 17/39] md: drop null test before destroy functions
Date: Tue, 15 Sep 2015 09:29:10 +0200 [thread overview]
Message-ID: <87613c6szd.fsf@notabene.neil.brown.name> (raw)
In-Reply-To: <1442146532-9100-18-git-send-email-Julia.Lawall@lip6.fr>
[-- Attachment #1: Type: text/plain, Size: 3464 bytes --]
Julia Lawall <Julia.Lawall@lip6.fr> writes:
> Remove unneeded NULL test.
>
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@ expression x; @@
> -if (x != NULL)
> \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
>
> ---
> drivers/md/multipath.c | 3 +--
> drivers/md/raid1.c | 6 ++----
> drivers/md/raid10.c | 9 +++------
> drivers/md/raid5.c | 3 +--
> 4 files changed, 7 insertions(+), 14 deletions(-)
Applied, thanks.
NeilBrown
>
> diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
> index 15ef2c6..09a12d7 100644
> --- a/drivers/md/raid5.c
> +++ b/drivers/md/raid5.c
> @@ -2271,8 +2271,7 @@ static void shrink_stripes(struct r5conf *conf)
> drop_one_stripe(conf))
> ;
>
> - if (conf->slab_cache)
> - kmem_cache_destroy(conf->slab_cache);
> + kmem_cache_destroy(conf->slab_cache);
> conf->slab_cache = NULL;
> }
>
> diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
> index 4517f06..5f4f553 100644
> --- a/drivers/md/raid1.c
> +++ b/drivers/md/raid1.c
> @@ -2843,8 +2843,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
>
> abort:
> if (conf) {
> - if (conf->r1bio_pool)
> - mempool_destroy(conf->r1bio_pool);
> + mempool_destroy(conf->r1bio_pool);
> kfree(conf->mirrors);
> safe_put_page(conf->tmppage);
> kfree(conf->poolinfo);
> @@ -2946,8 +2945,7 @@ static void raid1_free(struct mddev *mddev, void *priv)
> {
> struct r1conf *conf = priv;
>
> - if (conf->r1bio_pool)
> - mempool_destroy(conf->r1bio_pool);
> + mempool_destroy(conf->r1bio_pool);
> kfree(conf->mirrors);
> safe_put_page(conf->tmppage);
> kfree(conf->poolinfo);
> diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
> index d222522..d132f06 100644
> --- a/drivers/md/multipath.c
> +++ b/drivers/md/multipath.c
> @@ -470,8 +470,7 @@ static int multipath_run (struct mddev *mddev)
> return 0;
>
> out_free_conf:
> - if (conf->pool)
> - mempool_destroy(conf->pool);
> + mempool_destroy(conf->pool);
> kfree(conf->multipaths);
> kfree(conf);
> mddev->private = NULL;
> diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
> index 0fc33eb..7c99a40 100644
> --- a/drivers/md/raid10.c
> +++ b/drivers/md/raid10.c
> @@ -3486,8 +3486,7 @@ static struct r10conf *setup_conf(struct mddev *mddev)
> printk(KERN_ERR "md/raid10:%s: couldn't allocate memory.\n",
> mdname(mddev));
> if (conf) {
> - if (conf->r10bio_pool)
> - mempool_destroy(conf->r10bio_pool);
> + mempool_destroy(conf->r10bio_pool);
> kfree(conf->mirrors);
> safe_put_page(conf->tmppage);
> kfree(conf);
> @@ -3682,8 +3681,7 @@ static int run(struct mddev *mddev)
>
> out_free_conf:
> md_unregister_thread(&mddev->thread);
> - if (conf->r10bio_pool)
> - mempool_destroy(conf->r10bio_pool);
> + mempool_destroy(conf->r10bio_pool);
> safe_put_page(conf->tmppage);
> kfree(conf->mirrors);
> kfree(conf);
> @@ -3696,8 +3694,7 @@ static void raid10_free(struct mddev *mddev, void *priv)
> {
> struct r10conf *conf = priv;
>
> - if (conf->r10bio_pool)
> - mempool_destroy(conf->r10bio_pool);
> + mempool_destroy(conf->r10bio_pool);
> safe_put_page(conf->tmppage);
> kfree(conf->mirrors);
> kfree(conf->mirrors_old);
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 818 bytes --]
next prev parent reply other threads:[~2015-09-15 9:38 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-13 12:14 [PATCH 00/39] drop null test before destroy functions Julia Lawall
2015-09-13 12:14 ` [PATCH 01/39] mtd: nandsim: " Julia Lawall
2015-09-22 0:07 ` Brian Norris
2015-09-13 12:14 ` [PATCH 02/39] nilfs2: " Julia Lawall
2015-09-14 3:29 ` Ryusuke Konishi
2015-09-13 12:14 ` [PATCH 03/39] firmware: google: " Julia Lawall
2015-09-13 12:14 ` [PATCH 04/39] debugobjects: " Julia Lawall
2015-09-13 12:14 ` [PATCH 05/39] xhci: " Julia Lawall
2015-09-13 12:14 ` [PATCH 06/39] Btrfs: " Julia Lawall
2015-09-14 20:43 ` David Sterba
2015-09-13 12:15 ` [PATCH 07/39] fs: ext4: " Julia Lawall
2015-09-13 12:15 ` [PATCH 08/39] pktcdvd: " Julia Lawall
2015-09-29 13:02 ` Jiri Kosina
2015-09-13 12:15 ` [PATCH 09/39] aoe: " Julia Lawall
2015-09-15 1:39 ` Ed Cashin
2015-09-13 12:15 ` [PATCH 10/39] atm: he: " Julia Lawall
2015-09-15 23:50 ` David Miller
2015-09-13 12:15 ` [PATCH 11/39] hfi1: " Julia Lawall
2015-09-15 13:56 ` Marciniszyn, Mike
2015-09-13 12:15 ` [PATCH 12/39] dm: " Julia Lawall
2015-09-14 13:46 ` [dm-devel] " Mikulas Patocka
2015-09-14 14:00 ` Mike Snitzer
2015-09-14 14:05 ` Mikulas Patocka
2015-09-14 18:50 ` Julia Lawall
2015-09-14 14:23 ` [dm-devel] " walter harms
2015-09-13 12:15 ` [PATCH 13/39] staging: lustre: " Julia Lawall
2015-09-13 12:15 ` [PATCH 14/39] SUNRPC: " Julia Lawall
2015-09-14 16:07 ` J. Bruce Fields
2015-09-14 16:25 ` Trond Myklebust
2015-09-13 12:15 ` [PATCH 15/39] bcache: " Julia Lawall
2015-09-14 9:08 ` Johannes Thumshirn
2015-09-13 12:15 ` [PATCH 16/39] usb: gadget: " Julia Lawall
2015-09-13 12:15 ` [PATCH 17/39] md: " Julia Lawall
2015-09-15 7:29 ` Neil Brown [this message]
2015-09-13 12:15 ` [PATCH 18/39] whci: " Julia Lawall
2015-09-13 12:15 ` [PATCH 19/39] jbd2: " Julia Lawall
2015-09-13 12:15 ` [PATCH 20/39] ixgbe: " Julia Lawall
2015-09-13 12:15 ` [PATCH 21/39] drbd: " Julia Lawall
2015-09-13 12:15 ` [PATCH 22/39] nfsd: " Julia Lawall
2015-09-14 16:06 ` J. Bruce Fields
2015-09-13 12:15 ` [PATCH 23/39] UBI: " Julia Lawall
2015-10-03 18:36 ` Richard Weinberger
2015-09-13 12:15 ` [PATCH 24/39] dlm: " Julia Lawall
2015-09-13 12:15 ` [PATCH 25/39] net: core: " Julia Lawall
2015-09-15 23:50 ` David Miller
2015-09-13 12:15 ` [PATCH 26/39] dmaengine: " Julia Lawall
2015-09-21 17:10 ` Vinod Koul
2015-09-13 12:15 ` [PATCH 27/39] ocfs2: " Julia Lawall
2015-09-13 12:15 ` [PATCH 28/39] ecryptfs: " Julia Lawall
2015-09-15 2:08 ` Tyler Hicks
2015-09-15 4:36 ` Julia Lawall
2015-09-15 14:45 ` Tyler Hicks
2015-09-13 12:15 ` [PATCH 29/39] thunderbolt: " Julia Lawall
2015-09-13 12:15 ` [PATCH 30/39] block: " Julia Lawall
2015-09-13 12:15 ` [PATCH 31/39] KVM: MMU: " Julia Lawall
2015-09-14 8:30 ` Paolo Bonzini
2015-09-13 12:15 ` [PATCH 32/39] drm: i915: " Julia Lawall
2015-09-30 8:44 ` [Intel-gfx] " Daniel Vetter
2015-09-13 12:15 ` [PATCH 33/39] rbd: " Julia Lawall
2015-09-14 9:53 ` Ilya Dryomov
2015-09-13 12:15 ` [PATCH 34/39] dccp: " Julia Lawall
2015-09-15 23:50 ` David Miller
2015-09-13 12:15 ` [PATCH 35/39] GFS2: " Julia Lawall
2015-09-13 12:15 ` [PATCH 36/39] jffs2: " Julia Lawall
2015-09-13 12:15 ` [PATCH 37/39] f2fs crypto: " Julia Lawall
2015-09-16 10:17 ` Chao Yu
2015-09-13 12:15 ` [PATCH 38/39] iommu/amd: " Julia Lawall
2015-09-29 13:41 ` Joerg Roedel
2015-09-13 12:15 ` [PATCH 39/39] usb: host: " Julia Lawall
2015-09-14 11:55 ` [PATCH 00/39] " SF Markus Elfring
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=87613c6szd.fsf@notabene.neil.brown.name \
--to=neilb@suse.com \
--cc=Julia.Lawall@lip6.fr \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=sergey.senozhatsky@gmail.com \
/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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).