From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59992 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932126AbeGAQMm (ORCPT ); Sun, 1 Jul 2018 12:12:42 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Colin Ian King , Tejun Heo Subject: [PATCH 3.18 42/85] libata: zpodd: make arrays cdb static, reduces object code size Date: Sun, 1 Jul 2018 18:02:00 +0200 Message-Id: <20180701153124.042343656@linuxfoundation.org> In-Reply-To: <20180701153122.365061142@linuxfoundation.org> References: <20180701153122.365061142@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Colin Ian King commit 795ef788145ed2fa023efdf11e8d5d7bedc21462 upstream. Don't populate the arrays cdb on the stack, instead make them static. Makes the object code smaller by 230 bytes: Before: text data bss dec hex filename 3797 240 0 4037 fc5 drivers/ata/libata-zpodd.o After: text data bss dec hex filename 3407 400 0 3807 edf drivers/ata/libata-zpodd.o Signed-off-by: Colin Ian King Signed-off-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- drivers/ata/libata-zpodd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -34,7 +34,7 @@ struct zpodd { static int eject_tray(struct ata_device *dev) { struct ata_taskfile tf; - const char cdb[] = { GPCMD_START_STOP_UNIT, + static const char cdb[] = { GPCMD_START_STOP_UNIT, 0, 0, 0, 0x02, /* LoEj */ 0, 0, 0, 0, 0, 0, 0, @@ -55,7 +55,7 @@ static enum odd_mech_type zpodd_get_mech unsigned int ret; struct rm_feature_desc *desc = (void *)(buf + 8); struct ata_taskfile tf; - char cdb[] = { GPCMD_GET_CONFIGURATION, + static const char cdb[] = { GPCMD_GET_CONFIGURATION, 2, /* only 1 feature descriptor requested */ 0, 3, /* 3, removable medium feature */ 0, 0, 0,/* reserved */