On 30/10/2019 17:21, John Stultz wrote:
> On Wed, Oct 30, 2019 at 8:45 AM Andrew F. Davis <afd@xxxxxx> wrote:
>>
>> On 10/30/19 11:02 AM, Colin King wrote:
>>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>>
>>> The variable ret is being assigned with a value that is never
>>> read, it is being re-assigned the same value on the err0 exit
>>> path. The assignment is redundant and hence can be removed.
>>>
>>> Addresses-Coverity: ("Unused value")
>>> Fixes: 47a32f9c1226 ("dma-buf: heaps: Add system heap to dmabuf heaps")
>>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>> ---
>>
>>
>> The root of the issue is that ret is not used in the error path, it
>> should be, I suggest this fix:
>>
>>> --- a/drivers/dma-buf/heaps/system_heap.c
>>> +++ b/drivers/dma-buf/heaps/system_heap.c
>>> @@ -98,7 +98,7 @@ static int system_heap_allocate(struct dma_heap *heap,
>>> err0:
>>> kfree(helper_buffer);
>>>
>>> - return -ENOMEM;
>>> + return ret;
>>> }
>
> Sounds good! If its ok I'll generate a commit crediting Colin for
> reporting the issue and Andrew for the fix and submit it to Sumit.
Thanks for the correct fix.
Colin
>
> Many thanks to you both!
> -john
>
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