Re: [PATCH] ipv6_sockglue: Fix a missing-check bug in ip6_ra_control()

[David Miller]

From: Gen Zhang <blackgod016574@xxxxxxxxx>
Date: Fri, 24 May 2019 11:19:46 +0800

> In function ip6_ra_control(), the pointer new_ra is allocated a memory 
> space via kmalloc(). And it is used in the following codes. However, 
> when there is a memory allocation error, kmalloc() fails. Thus null 
> pointer dereference may happen. And it will cause the kernel to crash. 
> Therefore, we should check the return value and handle the error.
> 
> Signed-off-by: Gen Zhang <blackgod016574@xxxxxxxxx>

Applied.