Am 20.07.2017 18:56, schrieb Dave Jiang:
>
>
> On 07/20/2017 12:24 AM, walter harms wrote:
>>
>>
>> Am 20.07.2017 00:16, schrieb Christophe JAILLET:
>>> If the 'memcmp' fails, free allocated resources as done in all other
>>> error handling paths.
>>>
>>> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
>>> ---
>>> Please review carefully, this patch looks "too obvious" to me!
>>> ---
>>> drivers/dma/ioat/init.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
>>> index ed8ed1192775..948fc1f8fb5c 100644
>>> --- a/drivers/dma/ioat/init.c
>>> +++ b/drivers/dma/ioat/init.c
>>> @@ -390,7 +390,7 @@ static int ioat_dma_self_test(struct ioatdma_device *ioat_dma)
>>> if (memcmp(src, dest, IOAT_TEST_SIZE)) {
>>> dev_err(dev, "Self-test copy failed compare, disabling\n");
>>> err = -ENODEV;
>>> - goto free_resources;
>>> + goto unmap_dma;
>>> }
>>>
>>> unmap_dma:
>>
>> ^^^^^^^^^^
>>
>>
>> is the goto needed at all ?
>
> It's not. However, it may be better to stay there if we happen to add
> additional code after the if block later on and guard against mistakes.
> At least IMO.
>
If you are happy with that ... its not a big problem. The compiler will
eat that goto anyway but it is unusual so be prepared that other people
may send patches.
re,
wh
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