Re: [PATCH] carl9170: Fix mismatch in carl9170_op_set_key mutex lock-unlock

[Christian Lamparter]

On Tuesday, August 23, 2011 10:44:32 PM Alexey Khoroshilov wrote:
> If is_main_vif(ar, vif) reports that we have to fall back
> to software encryption, we goto err_softw; before locking ar->mutex.
> As a result, we have unprotected call to carl9170_set_operating_mode
> and unmatched mutex_unlock.
> 
> The patch fix the issue by adding mutex_lock before goto.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Acked-By: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx>
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