Rakesh Pillai <pillair@xxxxxxxxxxxxxx> wrote: > The rx ring buffers are added to a hash table if > firmware support full rx reorder. If the full rx > reorder support flag is not set before allocating > the rx ring buffers, none of the buffers are added > to the hash table. > > There is a race condition between rx ring refill and > rx buffer replenish from napi poll. The interrupts are > enabled in hif start, before the rx ring is refilled during init. > We replenish buffers from napi poll due to the interrupts which > get enabled after hif start. Hence before the entire rx ring is > refilled during the init, the napi poll replenishes a few buffers > in steps of 100 buffers per attempt. During this rx ring replenish > from napi poll, the rx reorder flag has not been set due to which > the replenished buffers are not added to the hash table > > Set the rx full reorder support flag before we allocate > the rx ring buffer to avoid the memory leak. > > Signed-off-by: Rakesh Pillai <pillair@xxxxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. f35a7f91f66a ath10k: fix memory leak in rx ring buffer allocation -- https://patchwork.kernel.org/patch/9876599/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
