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* [patch] target: lock => unlock typo
@ 2012-05-08 10:28 Dan Carpenter
  2012-05-08 14:35 ` Christoph Hellwig
  2012-05-09  2:28 ` Nicholas A. Bellinger
  0 siblings, 2 replies; 3+ messages in thread
From: Dan Carpenter @ 2012-05-08 10:28 UTC (permalink / raw)
  To: Nicholas A. Bellinger, Christoph Hellwig
  Cc: linux-scsi, target-devel, kernel-janitors

target_stop_cmd() returns with the lock held and IRQs disabled.  The
intent was to unlock here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 0d838ab..8bd9ffe 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3769,7 +3769,7 @@ static int transport_lun_wait_for_tasks(struct se_cmd *cmd, struct se_lun *lun)
 	    (cmd->transport_state & CMD_T_SENT)) {
 		if (!target_stop_cmd(cmd, &flags))
 			ret++;
-		spin_lock_irqsave(&cmd->t_state_lock, flags);
+		spin_unlock_irqrestore(&cmd->t_state_lock, flags);
 	} else {
 		spin_unlock_irqrestore(&cmd->t_state_lock,
 				flags);

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [patch] target: lock => unlock typo
  2012-05-08 10:28 [patch] target: lock => unlock typo Dan Carpenter
@ 2012-05-08 14:35 ` Christoph Hellwig
  2012-05-09  2:28 ` Nicholas A. Bellinger
  1 sibling, 0 replies; 3+ messages in thread
From: Christoph Hellwig @ 2012-05-08 14:35 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Nicholas A. Bellinger, Christoph Hellwig, linux-scsi,
	target-devel, kernel-janitors

Looks good, thanks.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [patch] target: lock => unlock typo
  2012-05-08 10:28 [patch] target: lock => unlock typo Dan Carpenter
  2012-05-08 14:35 ` Christoph Hellwig
@ 2012-05-09  2:28 ` Nicholas A. Bellinger
  1 sibling, 0 replies; 3+ messages in thread
From: Nicholas A. Bellinger @ 2012-05-09  2:28 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Christoph Hellwig, linux-scsi, target-devel, kernel-janitors

On Tue, 2012-05-08 at 13:28 +0300, Dan Carpenter wrote:
> target_stop_cmd() returns with the lock held and IRQs disabled.  The
> intent was to unlock here.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
> index 0d838ab..8bd9ffe 100644
> --- a/drivers/target/target_core_transport.c
> +++ b/drivers/target/target_core_transport.c
> @@ -3769,7 +3769,7 @@ static int transport_lun_wait_for_tasks(struct se_cmd *cmd, struct se_lun *lun)
>  	    (cmd->transport_state & CMD_T_SENT)) {
>  		if (!target_stop_cmd(cmd, &flags))
>  			ret++;
> -		spin_lock_irqsave(&cmd->t_state_lock, flags);
> +		spin_unlock_irqrestore(&cmd->t_state_lock, flags);
>  	} else {
>  		spin_unlock_irqrestore(&cmd->t_state_lock,
>  				flags);
> --

Applied to lio-core, and folding into hch's original commit that
introduced the bug in for-next.

Thanks Dan!

--nab

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2012-05-08 10:28 [patch] target: lock => unlock typo Dan Carpenter
2012-05-08 14:35 ` Christoph Hellwig
2012-05-09  2:28 ` Nicholas A. Bellinger

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