diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2012-06-04 20:23:55 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-06-06 15:20:31 -0400 |
| commit | 781b14a3153a722fec820374271316537881076e (patch) | |
| tree | 40361dfbb1ed7cf5827ec7a156f338dc676ae964 /drivers/net/wireless/ath/ath9k/debug.c | |
| parent | 8da07830e10a91cbe7badf9767230aafdd520b9c (diff) | |
| download | lwn-781b14a3153a722fec820374271316537881076e.tar.gz lwn-781b14a3153a722fec820374271316537881076e.zip | |
ath9k: Use atomic operations
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index c134ddaa10a1..2831258d9507 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -205,10 +205,10 @@ static ssize_t write_file_disable_ani(struct file *file, common->disable_ani = !!disable_ani; if (disable_ani) { - sc->sc_flags &= ~SC_OP_ANI_RUN; + clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); del_timer_sync(&common->ani.timer); } else { - sc->sc_flags |= SC_OP_ANI_RUN; + set_bit(SC_OP_ANI_RUN, &sc->sc_flags); ath_start_ani(common); } @@ -1321,7 +1321,7 @@ static int open_file_bb_mac_samps(struct inode *inode, struct file *file) u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; u8 nread; - if (sc->sc_flags & SC_OP_INVALID) + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) return -EAGAIN; buf = vmalloc(size); |