RE: [PATCH 6/6] regmap: cache: Fix possible ZERO_SIZE_PTR pointer dereferencing error.

[Li.Xiubo@xxxxxxxxxxxxx]

> Subject: Re: [PATCH 6/6] regmap: cache: Fix possible ZERO_SIZE_PTR pointer
> dereferencing error.
> 
> On Thu, Oct 09, 2014 at 05:02:57PM +0800, Xiubo Li wrote:
> > When all the registers are volatile(unlikely, but logically and mostly
> > will happen for some 'device' who has very few registers), then the
> > count will be euqal to 0, then kmalloc() will return ZERO_SIZE_PTR,
> > which equals to ((void *)16).
> 
> Applied, thanks.  I'm assuming there's nothing affected by this in
> Linus' tree which needs this as a fix immediately?

Yes, this will happen on one case like my LS1 platform in late future.

Thanks,

BRs
Xiubo

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/