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zsmalloc: Delete an unnecessary check before the function call "iput"

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iput() tests whether its argument is NULL and then returns immediately.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Link: http://lkml.kernel.org/r/559cf499-4a01-25f9-c87f-24d906626a57@users.sourceforge.net
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Markus Elfring 2016-07-28 15:48:59 -07:00 committed by Linus Torvalds
parent fb399b4854
commit c3491eca37
1 changed files with 1 additions and 2 deletions
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3
mm/zsmalloc.c
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@ -2174,8 +2174,7 @@ static int zs_register_migration(struct zs_pool *pool)
static void zs_unregister_migration(struct zs_pool *pool)
{
flush_work(&pool->free_work);
if (pool->inode)
iput(pool->inode);
iput(pool->inode);
}
/*