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

Browse source 
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/[email protected]
Signed-off-by: Markus Elfring <[email protected]>
Reviewed-by: Sergey Senozhatsky <[email protected]>
Acked-by: Minchan Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Markus Elfring 2016-07-28 15:48:59 -07:00 • committed by Linus Torvalds
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);
}
/*