[PATCH] proc/vmcore: fix signedness bug in read_from_oldmem()

[Baoquan He]

On 07/26/23 at 09:03am, Dan Carpenter wrote:
> On Wed, Jul 26, 2023 at 01:56:29PM +0800, Baoquan He wrote:
> > 
> > Thanks for this fix. Just curious, this is found out by code exploring,
> > or any breaking?
> 
> It's from static analysis, looking at when error codes are type promoted
> to unsigned.  I pushed the Smatch check for this yesterday.

I see, thanks for telling.

> 
> https://github.com/error27/smatch/commit/a2e6ca07e2ef83a72c9ffa3508af1398a6ecc7ed
> 
> regards,
> dan carpenter
>