[PATCH] drivers:net:wireless: Add mutex locking for function, b43_op_beacon_set_time in main.c

Nicholas Krause xerofoify at gmail.com
Fri Nov 28 14:16:53 PST 2014


Adds needed mutex lockng  of wl->mutex in order to prevent issues with separate threads executing on
the b43_update_templates function call in the function, b43_op_beacon_set_time at the same time.

Signed-off-by: Nicholas Krause <xerofoify at gmail.com>
---
 drivers/net/wireless/b43/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 5d4173e..19ddc72 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -5094,8 +5094,9 @@ static int b43_op_beacon_set_tim(struct ieee80211_hw *hw,
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 
-	/* FIXME: add locking */
+	mutex_lock(&wl->mutex);
 	b43_update_templates(wl);
+	mutex_unlock(&wl->mutex);
 
 	return 0;
 }
-- 
2.1.0




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