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md: drop null test before destroy functions

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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>
Signed-off-by: NeilBrown <neilb@suse.com>
This commit is contained in:
Julia Lawall
2015-09-13 14:15:10 +02:00
committed by NeilBrown
parent d4929add83
commit 644df1a85f
4 changed files with 7 additions and 14 deletions
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6
drivers/md/raid1.c
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@@ -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);