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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2011-01-31 20:47:17 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-02-04 16:29:48 -0500
commitd741900d404b3a34bf478673f76ee9f16dad3f90 (patch)
tree24915e11f002efffc97acce19cd4d68711c742fb /drivers/net/wireless/zd1211rw
parent78fc800f06a72c25842e585fd747fa6a98f3f0e5 (diff)
zd1211rw: cancel process_intr work on zd_chip_disable_int()
OOPS if worker is running and disconnect() is called (triggered by unpluging device). Much harder to trigger at this stage but later when we have AP beacon work in process_intr it happens very easy. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/zd1211rw')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 6a9b66051cf..b644ced848e 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1407,6 +1407,9 @@ void zd_chip_disable_int(struct zd_chip *chip)
mutex_lock(&chip->mutex);
zd_usb_disable_int(&chip->usb);
mutex_unlock(&chip->mutex);
+
+ /* cancel pending interrupt work */
+ cancel_work_sync(&zd_chip_to_mac(chip)->process_intr);
}
int zd_chip_enable_rxtx(struct zd_chip *chip)