Felix Fietkau <nbd@xxxxxxxx> wrote:
> With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap
> could potentially inherit a non-zero value from stack garbage.
> If this happens, it will cause DMA mappings for MCU command frames to not be
> unmapped after completion
>
> Fixes: 27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Sorry, I missed this and I suspect it's now too late for v5.12. Felix, can you
instead take this to your tree so that we can get this to v5.13? I assigned
this to you on patchwork.
--
https://patchwork.kernel.org/project/linux-wireless/patch/20210323214737.53254-1-nbd@xxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
