Re: [PATCH 1/3] SCSI: be2iscsi, fix lock imbalance

From: Jayamohan Kalickal
Date: Tue Mar 16 2010 - 16:48:18 EST


Acked-By: Jayamohan Kallickal <jayamohank@xxxxxxxxxxxxxxxxx>

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From: Jiri Slaby [mailto:jslaby@xxxxxxx]
To: James.Bottomley@xxxxxxx
Cc: linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, jirislaby@xxxxxxxxx, Jayamohan Kallickal [mailto:jayamohank@xxxxxxxxxxxxxxxxx]
Sent: Tue, 16 Mar 2010 08:23:57 -0700
Subject: [PATCH 1/3] SCSI: be2iscsi, fix lock imbalance

Stanse found that one error path in mgmt_invalidate_icds omits to unlock
ctrl->mbox_lock. Fix that.

Added in 756d29c8c7ed8887ed7d752371ce2f (Enable async mode for mcc rings)
where the spinlock was moved.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Jayamohan Kallickal <jayamohank@xxxxxxxxxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxx>
---
drivers/scsi/be2iscsi/be_mgmt.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 72617b6..e641922 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -169,6 +169,7 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for"
"mgmt_invalidate_icds \n");
+ spin_unlock(&ctrl->mbox_lock);
return -1;
}
nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
--
1.7.0.1


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