pm8001: fix update_flash

The driver checks the return valu, but after he tries to wait_for_completion
which might never happen.  Also the ioctl buffer is freed at the end of the
function, so the first removal is not needed.
Signed-off-by: NTomas Henzl <thenzl@redhat.com>
Acked-by: NSuresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/scsi/pm8001/pm8001_ctl.c

@@ -617,11 +617,11 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
 
 		pm8001_ha->nvmd_completion = &completion;
 		ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload);
+		if (ret)
+			break;
 		wait_for_completion(&completion);
-		if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) {
+		if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) {
 			ret = fwControl->retcode;
-			kfree(ioctlbuffer);
-			ioctlbuffer = NULL;
 			break;
 		}
 	}