mt76: mt76x02: do not access uninitialized NAPI structs (4ac668a3) · Commits · 戴 / test

Fixes a crash on MMIO devices when running into the watchdog reset Fixes: ("mt76: add HE phy modes and hardware queue") Signed-off-by:

drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -456,8 +456,9 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev)
		tasklet_disable(&dev->mt76.tx_tasklet);
		napi_disable(&dev->mt76.tx_napi);

		for (i = 0; i < ARRAY_SIZE(dev->mt76.napi); i++)
		mt76_for_each_q_rx(&dev->mt76, i) {
		napi_disable(&dev->mt76.napi[i]);
		}

		mutex_lock(&dev->mt76.mutex);

		@@ -515,7 +516,7 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev)

		tasklet_enable(&dev->mt76.pre_tbtt_tasklet);

		for (i = 0; i < ARRAY_SIZE(dev->mt76.napi); i++) {
		mt76_for_each_q_rx(&dev->mt76, i) {
		napi_enable(&dev->mt76.napi[i]);
		napi_schedule(&dev->mt76.napi[i]);
		}