On Mon, May 19, 2014 at 03:13:45PM +0800, Xiubo Li wrote: > Since we cannot make sure the 'chip->num_regs' will always be none zero > from the users, and then if 'chip->num_regs' equals to zero by mistake > or other reasons, the kzalloc() will return ZERO_SIZE_PTR, which equals > to ((void *)16). > > So this patch fix this with just checking the 'chip->num_regs' before > calling kzalloc().
Where is the actual dereference that's being protected against here? > This also sorts the header files in alphabetical order at the same time. No, don't do things like this. It just makes things harder to review.
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