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* [patch] [SCSI] fnic: potential dead lock in fnic_is_abts_pending()
@ 2013-05-30  7:50 Dan Carpenter
  2013-06-04 23:12 ` Hiral Patel (hiralpat)
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2013-05-30  7:50 UTC (permalink / raw)
  To: Hiral Patel
  Cc: Suma Ramars, Brian Uchino, James E.J. Bottomley, linux-scsi,
	kernel-janitors

There is an unlock missing if the == FNIC_IOREQ_ABTS_PENDING is
false.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
Static analysis.  I can't test this.

diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index be99e75..a97e6e5 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -2432,11 +2432,9 @@ int fnic_is_abts_pending(struct fnic *fnic, struct scsi_cmnd *lr_sc)
 			      "Found IO in %s on lun\n",
 			      fnic_ioreq_state_to_str(CMD_STATE(sc)));
 
-		if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
-			spin_unlock_irqrestore(io_lock, flags);
+		if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
 			ret = 1;
-			continue;
-		}
+		spin_unlock_irqrestore(io_lock, flags);
 	}
 
 	return ret;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] [SCSI] fnic: potential dead lock in fnic_is_abts_pending()
  2013-05-30  7:50 [patch] [SCSI] fnic: potential dead lock in fnic_is_abts_pending() Dan Carpenter
@ 2013-06-04 23:12 ` Hiral Patel (hiralpat)
  0 siblings, 0 replies; 2+ messages in thread
From: Hiral Patel (hiralpat) @ 2013-06-04 23:12 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Suma Ramars (sramars), Brian Uchino (buchino),
	James E.J. Bottomley, linux-scsi@vger.kernel.org,
	kernel-janitors@vger.kernel.org


On 5/30/13 12:50 AM, "Dan Carpenter" <dan.carpenter@oracle.com> wrote:

>There is an unlock missing if the == FNIC_IOREQ_ABTS_PENDING is
>false.
>
>Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>---
>Static analysis.  I can't test this.
>
>diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
>index be99e75..a97e6e5 100644
>--- a/drivers/scsi/fnic/fnic_scsi.c
>+++ b/drivers/scsi/fnic/fnic_scsi.c
>@@ -2432,11 +2432,9 @@ int fnic_is_abts_pending(struct fnic *fnic, struct
>scsi_cmnd *lr_sc)
> 			      "Found IO in %s on lun\n",
> 			      fnic_ioreq_state_to_str(CMD_STATE(sc)));
> 
>-		if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
>-			spin_unlock_irqrestore(io_lock, flags);
>+		if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
> 			ret = 1;
>-			continue;
>-		}
>+		spin_unlock_irqrestore(io_lock, flags);
> 	}
> 
> 	return ret;

Tested-by: Hiral Patel <hiralpat@cisco.com>

Acked-by: Hiral Patel <hiralpat@cisco.com>


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-06-04 23:22 UTC | newest]

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2013-05-30  7:50 [patch] [SCSI] fnic: potential dead lock in fnic_is_abts_pending() Dan Carpenter
2013-06-04 23:12 ` Hiral Patel (hiralpat)

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