slab, kmemleak: stop calling kmemleak_erase() unconditionally
When the gotten object is NULL (probably due to ENOMEM), kmemleak_erase() is unnecessary here, It just sets NULL to where already is NULL. Add a condition. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: J. R. Okajima <hooanon05@yahoo.co.jp> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
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@ -3109,7 +3109,8 @@ static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
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* per-CPU caches is leaked, we need to make sure kmemleak doesn't
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* treat the array pointers as a reference to the object.
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*/
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kmemleak_erase(&ac->entry[ac->avail]);
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if (objp)
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kmemleak_erase(&ac->entry[ac->avail]);
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return objp;
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}
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