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Commit 6aa4c361 authored by Robert Elliott's avatar Robert Elliott Committed by Christoph Hellwig
Browse files

hpsa: do not unconditionally copy sense data 



Signed-off-by: default avatarRobert Elliott <elliott@hp.com>
Signed-off-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 3fa89a04

drivers/scsi/hpsa.c

+8 −8
Original line number Original line Diff line number Diff line
@@ -1708,7 +1708,14 @@ static void complete_scsi_command(struct CommandList *cp) 




	cmd->result |= ei->ScsiStatus;

	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))

	if (SCSI_SENSE_BUFFERSIZE < sizeof(ei->SenseInfo))

		sense_data_size = SCSI_SENSE_BUFFERSIZE;

		sense_data_size = SCSI_SENSE_BUFFERSIZE;

	else

	else
@@ -1717,13 +1724,6 @@ static void complete_scsi_command(struct CommandList *cp) 
		sense_data_size = ei->SenseLen;

		sense_data_size = ei->SenseLen;





	memcpy(cmd->sense_buffer, ei->SenseInfo, sense_data_size);

	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

	/* For I/O accelerator commands, copy over some fields to the normal

	 * CISS header used below for error handling.

	 * CISS header used below for error handling.