From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757536AbaKTN2q (ORCPT ); Thu, 20 Nov 2014 08:28:46 -0500 Received: from mout.web.de ([212.227.17.12]:55160 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756884AbaKTN2l (ORCPT ); Thu, 20 Nov 2014 08:28:41 -0500 Message-ID: <546DEC79.9050807@users.sourceforge.net> Date: Thu, 20 Nov 2014 14:28:25 +0100 From: SF Markus Elfring User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: netdev@vger.kernel.org CC: LKML , kernel-janitors@vger.kernel.org, Julia Lawall Subject: [PATCH 1/1] IBM-EMAC: Deletion of unnecessary checks before the function call "of_dev_put" References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:cbpCimLd1DMxUxqPYV8zUz7lHR3/PwW+CclEzswW7QwWDfcLE0B zI7Ck9/oCoJPAtmZO3998Odhx8xbvQUM7o+Ikc3CxjfKHEwV+EUbczTwmpwcfC6jELhSL9H xVq156vnwnrfdRJhvSdvv28w6vGzupKlFlp12jJpBUdsofPMkuXRS9nqV15SrOP37kn3bmI zZL5tYbS8HiNTWULbdctw== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Markus Elfring Date: Thu, 20 Nov 2014 14:22:47 +0100 The of_dev_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/net/ethernet/ibm/emac/core.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 87bd953..3f3fba9 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2323,16 +2323,11 @@ static int emac_check_deps(struct emac_instance *dev, static void emac_put_deps(struct emac_instance *dev) { - if (dev->mal_dev) - of_dev_put(dev->mal_dev); - if (dev->zmii_dev) - of_dev_put(dev->zmii_dev); - if (dev->rgmii_dev) - of_dev_put(dev->rgmii_dev); - if (dev->mdio_dev) - of_dev_put(dev->mdio_dev); - if (dev->tah_dev) - of_dev_put(dev->tah_dev); + of_dev_put(dev->mal_dev); + of_dev_put(dev->zmii_dev); + of_dev_put(dev->rgmii_dev); + of_dev_put(dev->mdio_dev); + of_dev_put(dev->tah_dev); } static int emac_of_bus_notify(struct notifier_block *nb, unsigned long action, @@ -2371,8 +2366,7 @@ static int emac_wait_deps(struct emac_instance *dev) bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier); err = emac_check_deps(dev, deps) ? 0 : -ENODEV; for (i = 0; i < EMAC_DEP_COUNT; i++) { - if (deps[i].node) - of_node_put(deps[i].node); + of_node_put(deps[i].node); if (err && deps[i].ofdev) of_dev_put(deps[i].ofdev); } @@ -2383,8 +2377,7 @@ static int emac_wait_deps(struct emac_instance *dev) dev->tah_dev = deps[EMAC_DEP_TAH_IDX].ofdev; dev->mdio_dev = deps[EMAC_DEP_MDIO_IDX].ofdev; } - if (deps[EMAC_DEP_PREV_IDX].ofdev) - of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); + of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); return err; } @@ -3113,8 +3106,7 @@ static void __exit emac_exit(void) /* Destroy EMAC boot list */ for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++) - if (emac_boot_list[i]) - of_node_put(emac_boot_list[i]); + of_node_put(emac_boot_list[i]); } module_init(emac_init); -- 2.1.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 1/1] IBM-EMAC: Deletion of unnecessary checks before the function call "of_dev_put" Date: Thu, 20 Nov 2014 14:28:25 +0100 Message-ID: <546DEC79.9050807@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.so urceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall To: netdev@vger.kernel.org Return-path: In-Reply-To: <5317A59D.4@users.sourceforge.net> Sender: kernel-janitors-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Markus Elfring Date: Thu, 20 Nov 2014 14:22:47 +0100 The of_dev_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/net/ethernet/ibm/emac/core.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 87bd953..3f3fba9 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2323,16 +2323,11 @@ static int emac_check_deps(struct emac_instance *dev, static void emac_put_deps(struct emac_instance *dev) { - if (dev->mal_dev) - of_dev_put(dev->mal_dev); - if (dev->zmii_dev) - of_dev_put(dev->zmii_dev); - if (dev->rgmii_dev) - of_dev_put(dev->rgmii_dev); - if (dev->mdio_dev) - of_dev_put(dev->mdio_dev); - if (dev->tah_dev) - of_dev_put(dev->tah_dev); + of_dev_put(dev->mal_dev); + of_dev_put(dev->zmii_dev); + of_dev_put(dev->rgmii_dev); + of_dev_put(dev->mdio_dev); + of_dev_put(dev->tah_dev); } static int emac_of_bus_notify(struct notifier_block *nb, unsigned long action, @@ -2371,8 +2366,7 @@ static int emac_wait_deps(struct emac_instance *dev) bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier); err = emac_check_deps(dev, deps) ? 0 : -ENODEV; for (i = 0; i < EMAC_DEP_COUNT; i++) { - if (deps[i].node) - of_node_put(deps[i].node); + of_node_put(deps[i].node); if (err && deps[i].ofdev) of_dev_put(deps[i].ofdev); } @@ -2383,8 +2377,7 @@ static int emac_wait_deps(struct emac_instance *dev) dev->tah_dev = deps[EMAC_DEP_TAH_IDX].ofdev; dev->mdio_dev = deps[EMAC_DEP_MDIO_IDX].ofdev; } - if (deps[EMAC_DEP_PREV_IDX].ofdev) - of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); + of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); return err; } @@ -3113,8 +3106,7 @@ static void __exit emac_exit(void) /* Destroy EMAC boot list */ for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++) - if (emac_boot_list[i]) - of_node_put(emac_boot_list[i]); + of_node_put(emac_boot_list[i]); } module_init(emac_init); -- 2.1.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Thu, 20 Nov 2014 13:28:25 +0000 Subject: [PATCH 1/1] IBM-EMAC: Deletion of unnecessary checks before the function call "of_dev_put" Message-Id: <546DEC79.9050807@users.sourceforge.net> List-Id: References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Thu, 20 Nov 2014 14:22:47 +0100 The of_dev_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/net/ethernet/ibm/emac/core.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 87bd953..3f3fba9 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2323,16 +2323,11 @@ static int emac_check_deps(struct emac_instance *dev, static void emac_put_deps(struct emac_instance *dev) { - if (dev->mal_dev) - of_dev_put(dev->mal_dev); - if (dev->zmii_dev) - of_dev_put(dev->zmii_dev); - if (dev->rgmii_dev) - of_dev_put(dev->rgmii_dev); - if (dev->mdio_dev) - of_dev_put(dev->mdio_dev); - if (dev->tah_dev) - of_dev_put(dev->tah_dev); + of_dev_put(dev->mal_dev); + of_dev_put(dev->zmii_dev); + of_dev_put(dev->rgmii_dev); + of_dev_put(dev->mdio_dev); + of_dev_put(dev->tah_dev); } static int emac_of_bus_notify(struct notifier_block *nb, unsigned long action, @@ -2371,8 +2366,7 @@ static int emac_wait_deps(struct emac_instance *dev) bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier); err = emac_check_deps(dev, deps) ? 0 : -ENODEV; for (i = 0; i < EMAC_DEP_COUNT; i++) { - if (deps[i].node) - of_node_put(deps[i].node); + of_node_put(deps[i].node); if (err && deps[i].ofdev) of_dev_put(deps[i].ofdev); } @@ -2383,8 +2377,7 @@ static int emac_wait_deps(struct emac_instance *dev) dev->tah_dev = deps[EMAC_DEP_TAH_IDX].ofdev; dev->mdio_dev = deps[EMAC_DEP_MDIO_IDX].ofdev; } - if (deps[EMAC_DEP_PREV_IDX].ofdev) - of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); + of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); return err; } @@ -3113,8 +3106,7 @@ static void __exit emac_exit(void) /* Destroy EMAC boot list */ for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++) - if (emac_boot_list[i]) - of_node_put(emac_boot_list[i]); + of_node_put(emac_boot_list[i]); } module_init(emac_init); -- 2.1.3