Re: [PATCH v4] vt: fix a missing-check bug in con_init()

From: Greg KH
Date: Wed Jun 12 2019 - 09:43:20 EST


On Wed, Jun 12, 2019 at 09:15:06PM +0800, Gen Zhang wrote:
> In function con_init(), the pointer variable vc_cons[currcons].d, vc and
> vc->vc_screenbuf is allocated by kzalloc(). However, kzalloc() returns
> NULL when fails. Therefore, we should check the return value and handle
> the error.
>
> Signed-off-by: Gen Zhang <blackgod016574@xxxxxxxxx>
> ---

What changed from v1, v2, and v3?

That always goes below the --- line.

v5 please.

thanks,

greg k-h