hpsa: do not unconditionally copy sense data
Signed-off-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 6edd2aa..10aed7d 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -1708,7 +1708,14 @@
cmd->result |= ei->ScsiStatus;
- /* copy the sense data whether we need to or not. */
+ scsi_set_resid(cmd, ei->ResidualCnt);
+ if (ei->CommandStatus == 0) {
+ cmd_free(h, cp);
+ cmd->scsi_done(cmd);
+ return;
+ }
+
+ /* copy the sense data */
if (SCSI_SENSE_BUFFERSIZE < sizeof(ei->SenseInfo))
sense_data_size = SCSI_SENSE_BUFFERSIZE;
else
@@ -1717,13 +1724,6 @@
sense_data_size = ei->SenseLen;
memcpy(cmd->sense_buffer, ei->SenseInfo, sense_data_size);
- scsi_set_resid(cmd, ei->ResidualCnt);
-
- if (ei->CommandStatus == 0) {
- cmd_free(h, cp);
- cmd->scsi_done(cmd);
- return;
- }
/* For I/O accelerator commands, copy over some fields to the normal
* CISS header used below for error handling.