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mm/swap_slots.c: remove redundant NULL check 

Fix below warnings reported by coccicheck:

  mm/swap_slots.c:197:3-9: WARNING: NULL check before some freeing functions is not needed.

Link: https://lkml.kernel.org/r/1611214229-11225-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Yang Li <abaci-bugfix@linux.alibaba.com>
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yang Li 2021-02-24 12:02:55 -08:00 committed by Linus Torvalds
parent 6986c3e2b1
commit 191a7221b7
1 changed files with 1 additions and 2 deletions
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3
mm/swap_slots.c
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@ -193,8 +193,7 @@ static void drain_slots_cache_cpu(unsigned int cpu, unsigned int type,
cache->slots_ret = NULL;
}
spin_unlock_irq(&cache->free_lock);
if (slots)
kvfree(slots);
kvfree(slots);
}
}