On Wed, Jun 01, 2016 at 04:34:28PM +0800, Xiubo Li wrote:
> Since we cannot make sure the 'hook_mask' will always be none zero
> here. If it equals to zero, the num_hooks will be zero too, and then
> kmalloc() will return ZERO_SIZE_PTR, which is (void *)16.
>
> Then the following error check will
Since we cannot make sure the 'hook_mask' will always be none zero
here. If it equals to zero, the num_hooks will be zero too, and then
kmalloc() will return ZERO_SIZE_PTR, which is (void *)16.
Then the following error check will fails:
ops = kmalloc(sizeof(*ops) * num_hooks, GFP_KERNEL);
if
