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

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
...@@ -95,16 +95,13 @@ static int mt7915_poll_tx(struct napi_struct *napi, int budget) ...@@ -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); dev = container_of(napi, struct mt7915_dev, mt76.tx_napi);
mt7915_tx_cleanup(dev); 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); mt7915_mac_sta_poll(dev);
tasklet_schedule(&dev->mt76.tx_tasklet); tasklet_schedule(&dev->mt76.tx_tasklet);
if (napi_complete_done(napi, 0))
mt7915_irq_enable(dev, MT_INT_TX_DONE_ALL);
return 0; return 0;
} }
......
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