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

From: Mike Christie
Date: Tue Mar 16 2010 - 14:07:34 EST


On 03/16/2010 10:23 AM, Jiri Slaby wrote:
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);

Looks good.

Reviewed-by: Mike Christie <michaelc@xxxxxxxxxxx>
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