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[SCSI] qla4xxx: Fix srb lookup in qla4xxx_eh_device_reset

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eh_device_reset may be called from scsi error handler or sg_reset, etc.
When called from sg_reset, there will not be an associated srb.  The
driver should lookup the corresponding device handle given information
from the supplied cmd structure and should not assume that there exists
an srb.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Karen Higgins 2009-07-15 15:03:01 -05:00 committed by James Bottomley
parent dca05c4c07
commit 612f734887
1 changed files with 1 additions and 3 deletions
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4
drivers/scsi/qla4xxx/ql4_os.c
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@ -1543,11 +1543,9 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
struct ddb_entry *ddb_entry = cmd->device->hostdata;
struct srb *sp;
int ret = FAILED, stat;
sp = (struct srb *) cmd->SCp.ptr;
if (!sp || !ddb_entry)
if (!ddb_entry)
return ret;
dev_info(&ha->pdev->dev,