From mboxrd@z Thu Jan 1 00:00:00 1970 From: fengguang.wu@intel.com (kbuild test robot) Date: Sun, 16 Oct 2016 12:22:44 +0800 Subject: [arm-soc:to-build 23/23] drivers/net/ethernet/broadcom/bcm63xx_enet.c:1129:2: warning: 'phydev' may be used uninitialized in this function Message-ID: <201610161237.XbpVNEgU%fengguang.wu@intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git to-build head: 0f460ef4d0b0e50f64b03962048dec6fa1d40d20 commit: 0f460ef4d0b0e50f64b03962048dec6fa1d40d20 [23/23] Revert "Disable "maybe-uninitialized" warning globally" config: mips-bcm63xx_defconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 0f460ef4d0b0e50f64b03962048dec6fa1d40d20 # save the attached .config to linux build tree make.cross ARCH=mips Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/net/ethernet/broadcom/bcm63xx_enet.c: In function 'bcm_enet_open': >> drivers/net/ethernet/broadcom/bcm63xx_enet.c:1129:2: warning: 'phydev' may be used uninitialized in this function [-Wmaybe-uninitialized] phy_disconnect(phydev); ^~~~~~~~~~~~~~~~~~~~~~ vim +/phydev +1129 drivers/net/ethernet/broadcom/bcm63xx_enet.c 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1113 priv->tx_desc_cpu, priv->tx_desc_dma); 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1114 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1115 out_free_rx_ring: 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1116 dma_free_coherent(kdev, priv->rx_desc_alloc_size, 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1117 priv->rx_desc_cpu, priv->rx_desc_dma); 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1118 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1119 out_freeirq_tx: 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1120 free_irq(priv->irq_tx, dev); 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1121 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1122 out_freeirq_rx: 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1123 free_irq(priv->irq_rx, dev); 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1124 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1125 out_freeirq: 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1126 free_irq(dev->irq, dev); 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1127 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1128 out_phy_disconnect: 625eb866 drivers/net/ethernet/broadcom/bcm63xx_enet.c Philippe Reynes 2016-09-18 @1129 phy_disconnect(phydev); 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1130 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1131 return ret; 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1132 } 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1133 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1134 /* 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1135 * disable mac 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1136 */ 9b1fc55a drivers/net/bcm63xx_enet.c Maxime Bizon 2009-08-18 1137 static void bcm_enet_disable_mac(struct bcm_enet_priv *priv) :::::: The code at line 1129 was first introduced by commit :::::: 625eb8667d6fcb22e474502133986b2d2838917d net: ethernet: broadcom: bcm63xx: use phydev from struct net_device :::::: TO: Philippe Reynes :::::: CC: David S. Miller --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... Name: .config.gz Type: application/gzip Size: 11955 bytes Desc: not available URL: