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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>
This commit is contained in:
Jussi Kivilinna 2011-01-31 20:47:17 +02:00 committed by John W. Linville
parent 78fc800f06
commit d741900d40
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/zd1211rw/zd_chip.c
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@ -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)