Re: [patch] [SCSI] fnic: potential dead lock in fnic_is_abts_pending()

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

>There is an unlock missing if the == FNIC_IOREQ_ABTS_PENDING is
>false.
>
>Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>---
>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@xxxxxxxxx>

Acked-by: Hiral Patel <hiralpat@xxxxxxxxx>

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