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ath9k: Use atomic operations

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The 'sc_flags' variable is being used in a number of places
with no locking whatsoever. This patch converts the usage
of sc_flags to atomic ops.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan
2012-06-04 20:23:55 +05:30
committed by John W. Linville
parent 8da07830e1
commit 781b14a315
9 changed files with 52 additions and 50 deletions
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2
drivers/net/wireless/ath/ath9k/xmit.c
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@@ -1536,7 +1536,7 @@ bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
int i;
u32 npend = 0;
if (sc->sc_flags & SC_OP_INVALID)
if (test_bit(SC_OP_INVALID, &sc->sc_flags))
return true;
ath9k_hw_abort_tx_dma(ah);