Re: [PATCH 1/3] WDEV: ath5k, fix lock imbalance

From: Nick Kossifidis
Date: Fri Feb 15 2008 - 17:00:54 EST


2008/2/15, Jiri Slaby <jirislaby@xxxxxxxxx>:
> Omitted lock causes sparse warning
> drivers/net/wireless/ath5k/base.c:1682:1: warning: context imbalance in 'ath5k_tasklet_rx' - different lock contexts for basic block
>
> Add the lock to the guilty fail path.
>
> Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
> Cc: Nick Kossifidis <mickflemm@xxxxxxxxx>
> Cc: Luis R. Rodriguez <mcgrof@xxxxxxxxx>
> ---
> drivers/net/wireless/ath5k/base.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
> index ddc8714..49d38e8 100644
> --- a/drivers/net/wireless/ath5k/base.c
> +++ b/drivers/net/wireless/ath5k/base.c
> @@ -1715,6 +1715,7 @@ ath5k_tasklet_rx(unsigned long data)
> break;
> else if (unlikely(ret)) {
> ATH5K_ERR(sc, "error in processing rx descriptor\n");
> + spin_unlock(&sc->rxbuflock);
> return;
> }
>
>


Acked-by: Nick Kossifidis <mickflemm@xxxxxxxxx>


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As you read this post global entropy rises. Have Fun ;-)
Nick
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