Commit 38b04398 authored by Felix Fietkau's avatar Felix Fietkau
Browse files

mt76: mt7915: do not do any work in napi poll after calling napi_complete_done() 



Fixes a race condition where multiple tx cleanup or sta poll tasks could run
in parallel.

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 6e4f584e

drivers/net/wireless/mediatek/mt76/mt7915/dma.c

+3 −6
Original line number Diff line number Diff line
@@ -95,16 +95,13 @@ static int mt7915_poll_tx(struct napi_struct *napi, int budget) 
	dev = container_of(napi, struct mt7915_dev, mt76.tx_napi);



	mt7915_tx_cleanup(dev);



	if (napi_complete_done(napi, 0))

		mt7915_irq_enable(dev, MT_INT_TX_DONE_ALL);



	mt7915_tx_cleanup(dev);



	mt7915_mac_sta_poll(dev);



	tasklet_schedule(&dev->mt76.tx_tasklet);



	if (napi_complete_done(napi, 0))

		mt7915_irq_enable(dev, MT_INT_TX_DONE_ALL);



	return 0;

}