Re: [PATCH] rpmsg: glink: Use struct_size() helper

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 8/29/19 2:09 PM, Bjorn Andersson wrote:
> On Thu 29 Aug 11:17 PDT 2019, Gustavo A. R. Silva wrote:
> 
>> One of the more common cases of allocation size calculations is finding
>> the size of a structure that has a zero-sized array at the end, along
>> with memory for some number of elements for that array. For example:
>>
>> struct {
>> 	...
>> 	struct intent_pair intents[];
>> } __packed * msg;
>>
>> Make use of the struct_size() helper instead of an open-coded version
>> in order to avoid any potential type mistakes.
>>
>> So, replace the following form:
>>
>> sizeof(*msg) + sizeof(struct intent_pair) * count
>>
>> with:
>>
>> struct_size(msg, intents, count)
>>
>> This code was detected with the help of Coccinelle.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> 
> Applied, thanks!
> 

Awesome. :)

Thanks!
--
Gustavo



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux