Signed-off-by: Pavel Roskin <proski@xxxxxxx>
---
The patch should be in the stable kernels too. ath9k actually hangs on
a kernel with SLUB debugging enabled. hdr->frame_control could be
replaced with fc in more places, but the patch is intentionally kept as
simple as possible.
drivers/net/wireless/ath9k/recv.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 71cb18d..dd1f301 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -493,6 +493,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
int hdrlen, padsize, retval;
bool decrypt_error = false;
u8 keyix;
+ __le16 fc;
spin_lock_bh(&sc->rx.rxbuflock);
@@ -606,6 +607,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
/* see if any padding is done by the hw and remove it */
hdr = (struct ieee80211_hdr *)skb->data;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+ fc = hdr->frame_control;
/* The MAC header is padded to have 32-bit boundary if the
* packet payload is non-zero. The general calculation for
@@ -690,7 +692,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
sc->rx.rxotherant = 0;
}
- if (ieee80211_is_beacon(hdr->frame_control) &&
+ if (ieee80211_is_beacon(fc) &&
(sc->sc_flags & SC_OP_WAIT_FOR_BEACON)) {
sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
--
Regards,
Pavel Roskin
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