On Thu, 22 May 2008 16:21:03 -0700
Daniel Walker <dwalker@xxxxxxxxxx> wrote:
> Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>
>
> ---
> drivers/net/wireless/airo.c | 107
> ++++++++++++++++++++++---------------------- 1 file changed, 54
> insertions(+), 53 deletions(-)
>
> Index: linux-2.6.25/drivers/net/wireless/airo.c
> ===================================================================
> --- linux-2.6.25.orig/drivers/net/wireless/airo.c
> +++ linux-2.6.25/drivers/net/wireless/airo.c
> @@ -3211,7 +3212,7 @@ static irqreturn_t airo_interrupt(int ir
> set_bit(FLAG_UPDATE_UNI,
> &apriv->flags); set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
>
> - if (down_trylock(&apriv->sem) != 0) {
> + if (mutex_trylock(&apriv->lock) ==
> 0) { set_bit(JOB_EVENT, &apriv->jobs);
> wake_up_interruptible(&apriv->thr_wait);
> } else
Mutexes are not allowed in interrupt context, not even mutex_trylock.
Michal
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