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>

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 c134ddaa10a..2831258d950 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);