Re: [PATCH] check return value of kmalloc() in setup_cpu_cache()

From: Andrew Morton
Date: Mon Aug 14 2006 - 19:06:08 EST

On Sun, 13 Aug 2006 18:16:54 +0800
Akinobu Mita <mita@xxxxxxxxxxxxxxxx> wrote:

> This patch makes crash happen when allocation of cpucache data fails
> in setup_cpu_cache(). It is a bit better than getting kernel NULL
> pointer dereference later.

This code is called on the kmem_cache_create() path. We should back out
and return -ENOMEM from kmem_cache_create().

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