Thank you, I got it
On 2020/1/3 19:58, Roy Spliet wrote:
> (re-sending as plain text)
>
> NACK. The before and after of this patch are functionally identical. The if-block returns unconditionally ("return priv;"), so the kfree will only ever be reached if the condition in the if-statement evaluates to false. Explicitly writing out an else-block is thus superfluous.
>
> Op 03-01-2020 om 09:10 schreef wuxu.wu:
>> Hi, I think there has a incorrect kfree in pcirom_init function. In
>> pcirom_init function priv porinter could be free only when priv != null
>> and priv->rom is null.
>>
>> Signed-off-by: wuxu.wu <wuxu.wu@xxxxxxxxxx>
>> ---
>> drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c
>> index 9b91da0..d776e01 100644
>> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c
>> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c
>> @@ -70,8 +70,9 @@ pcirom_init(struct nvkm_bios *bios, const char *name)
>> (priv->rom = pci_map_rom(pdev, &priv->size))) {
>> priv->pdev = pdev;
>> return priv;
>> + } else {
>> + kfree(priv);
>> }
>> - kfree(priv);
>> }
>> pci_disable_rom(pdev);
>> }
>>
>
> .
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