Xinming Hu bcf28a2f28
mwifiex: reset card->adapter during device unregister ...
card->adapter gets initialized in mwifiex_register_dev(). As it's not
cleared in mwifiex_unregister_dev(), we may end up accessing the memory
which is already free in below scenario.
Scenario: Driver initialization is failed due to incorrect firmware or
some other reason. Meanwhile device reboot/unload occurs.
This is safe, now that we've properly synchronized suspend() and
remove() with the FW initialization thread; now that code can simply
check for 'card->adapter == NULL' and exit safely.
Signed-off-by: Xinming Hu <huxm@marvell.com >
Tested-by: Xinming Hu <huxm@marvell.com >
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com >
Signed-off-by: Brian Norris <briannorris@chromium.org >
Signed-off-by: Kalle Valo <kvalo@codeaurora.org >
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