On Fri, Oct 13, 2023 at 08:41:29PM +0200, Krzysztof Kozlowski wrote: > Handle memory allocation failure from nci_skb_alloc() (calling > alloc_skb()) to avoid possible NULL pointer dereference. > > Reported-by: 黄思聪 <huangsicong@xxxxxxxxx> > Fixes: 391d8a2da787 ("NFC: Add NCI over SPI receive") > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Thanks, I agree that nci_skb_alloc() may turn NULL and that this is an appropriate way to handle that. As an aside, I observe that the return value of send_acknowledge() is not checked. But I don't think that affects the correctness of this change. Reviewed-by: Simon Horman <horms@xxxxxxxxxx>