ath5k: read sc->imask with sc->irqlock held
Signed-off-by: Pavel Roskin <proski@gnu.org>
sc->imask may change if ath5k_set_current_imask() races against itself.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 58997d3..28113e0 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1447,10 +1447,11 @@
static void
ath5k_set_current_imask(struct ath5k_softc *sc)
{
- enum ath5k_int imask = sc->imask;
+ enum ath5k_int imask;
unsigned long flags;
spin_lock_irqsave(&sc->irqlock, flags);
+ imask = sc->imask;
if (sc->rx_pending)
imask &= ~AR5K_INT_RX_ALL;
if (sc->tx_pending)