[PATCH v2] staging: mmal-vchiq: add a check for the return of vmalloc()

[gregkh]

On Wed, Mar 16, 2022 at 12:23:05AM +0800, Xiaoke Wang wrote:
> On Tue, 15 Mar 2022 16:27:38 +0100, Greg KH wrote:
> > Your change just crashed the kernel :(
> >
> > Please be more careful
> 
> I am sorry. I ever been told that vfree(NULL) or kfree(NULL) is safe,

Sorry, you are right, I was thinking that there would be an error value
there.  My mistake.

greg k-h