Hi Pavel, [auto build test WARNING on net-next/master] [also build test WARNING on v4.9-rc7 next-20161128] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Pavel-Machek/stmmac-reduce-code-duplication-getting-basic-descriptors/20161128-204339 config: x86_64-randconfig-s1-11282147 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/net/ethernet/stmicro/stmmac/stmmac_main.c: In function 'dma_free_tx_skbufs': >> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1137: warning: unused >> variable 'p' drivers/net/ethernet/stmicro/stmmac/stmmac_main.o: warning: objtool: stmmac_resume()+0x125: function has unreachable instruction vim +/p +1137 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 1121 return ret; 1122 } 1123 1124 static void dma_free_rx_skbufs(struct stmmac_priv *priv) 1125 { 1126 int i; 1127 1128 for (i = 0; i < DMA_RX_SIZE; i++) 1129 stmmac_free_rx_buffers(priv, i); 1130 } 1131 1132 static void dma_free_tx_skbufs(struct stmmac_priv *priv) 1133 { 1134 int i; 1135 1136 for (i = 0; i < DMA_TX_SIZE; i++) { > 1137 struct dma_desc *p = stmmac_tx_desc(priv, i); 1138 1139 if (priv->tx_skbuff_dma[i].buf) { 1140 if (priv->tx_skbuff_dma[i].map_as_page) 1141 dma_unmap_page(priv->device, 1142 priv->tx_skbuff_dma[i].buf, 1143 priv->tx_skbuff_dma[i].len, 1144 DMA_TO_DEVICE); 1145 else --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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