drivers: mcb: fix memory leak in chameleon_parse_cells() error path

chameleon_parse_cells() bails out if chameleon descriptor type is
invalid but does not free the storage 'header' points to.

Signed-off-by: Christoph Jaeger <christophjaeger@linux.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/mcb/mcb-parse.c

@@ -141,6 +141,7 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase,
 		default:
 			pr_err("Invalid chameleon descriptor type 0x%x\n",
 				dtype);
+			kfree(header);
 			return -EINVAL;
 		}
 		num_cells++;