On Sat, Mar 18, 2023 at 05:03:21AM +0800, Simon Horman wrote: > On Wed, Mar 15, 2023 at 03:06:21PM +0800, Jiasheng Jiang wrote: >> Add the check for the return value of skb_clone since it may return NULL >> pointer and cause NULL pointer dereference in send_pkt. >> >> Fixes: 18722c247023 ("Bluetooth: Enable 6LoWPAN support for BT LE devices") >> Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx> >> --- >> Changelog: >> >> v1 -> v2: >> >> 1. Modify the error handling in the loop. > > I think that at a minimum this needs to be included in the patch description. > Or better, in it's own patch with it's own fixes tag. > It seems like a fundamental change to the error handling to me. I will submit a separate patch to modify the error handling in the loop. You can directly review the v1. Link:https://lore.kernel.org/all/20230313090346.48778-1-jiasheng@xxxxxxxxxxx/ Thanks, Jiang