<yhchuang@xxxxxxxxxxx> wrote: > From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> > > Sometimes the TX queue may be empty and we could possible > dequeue a NULL pointer, crash the kernel. If the skb is NULL > then there is nothing to do, just leave the ISR. > > And the TX queue should not be empty here, so print an error > to see if there is anything wrong for DMA ring. > > Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver") > Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> Patch applied to wireless-drivers-next.git, thanks. f4f84ff8377d rtw88: fix potential NULL skb access in TX ISR -- https://patchwork.kernel.org/patch/11320567/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches