ahci: fix memory leak in ata_scsiop_inquiry

This fixes a memory leak when scsi inquiry fails.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Tom Rini <trini@ti.com>

drivers/block/ahci.c

@@ -643,6 +643,7 @@ static int ata_scsiop_inquiry(ccb *pccb)
 	if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), tmpid,
 				sizeof(hd_driveid_t), 0)) {
 		debug("scsi_ahci: SCSI inquiry command failure.\n");
+		free(tmpid);
 		return -EIO;
 	}