Re: [PATCH 1/1] crypto: set error code when kcalloc fails

From: Herbert Xu
Date: Thu Dec 01 2016 - 08:23:22 EST


On Thu, Dec 01, 2016 at 10:04:43AM +0800, Pan Bian wrote:
> Fix bug https://bugzilla.kernel.org/show_bug.cgi?id=188521. In function
> skcipher_recvmsg_async(), variable err takes the return value, and its
> value should be negative on failures. Because variable err may be
> reassigned and checked before calling kcalloc(), its value may be 0
> (indicates no error) even if kcalloc() fails. This patch fixes the bug
> by explicitly assigning -ENOMEM to err when kcalloc() returns a NULL
> pointer.
>
> Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>

Patch applied. Thanks.
--
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