tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 35c5792a71f249ce79eba3cbb546d1ece7c4f3ee commit: 6460d9d3c42d1357c8292d7be5c26cb7b84e84d7 [2300/2300] yt6801: Add Motorcomm yt6801 PCIe driver config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250528/202505280802.sHbtyOVR-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250528/202505280802.sHbtyOVR-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505280802.sHbtyOVR-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/ethernet/motorcomm/yt6801/yt6801_desc.c: In function 'fxgmac_channels_alloc':

...

drivers/net/ethernet/motorcomm/yt6801/yt6801_desc.c:206:73: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 8 [-Wformat-truncation=] 206 | snprintf(channel->name, sizeof(channel->name), "channel-%u", i); | ^~ drivers/net/ethernet/motorcomm/yt6801/yt6801_desc.c:206:64: note: directive argument in the range [0, 4294967294] 206 | snprintf(channel->name, sizeof(channel->name), "channel-%u", i); | ^~~~~~~~~~~~ drivers/net/ethernet/motorcomm/yt6801/yt6801_desc.c:206:17: note: 'snprintf' output between 10 and 19 bytes into a destination of size 16 206 | snprintf(channel->name, sizeof(channel->name), "channel-%u", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/motorcomm/yt6801/yt6801_main.c: In function 'fxgmac_get_all_hw_features': drivers/net/ethernet/motorcomm/yt6801/yt6801_main.c:1715:42: warning: variable 'mac_hfr2' set but not used [-Wunused-but-set-variable] 1715 | unsigned int mac_hfr0, mac_hfr1, mac_hfr2, mac_hfr3; | ^~~~~~~~

vim +206 drivers/net/ethernet/motorcomm/yt6801/yt6801_desc.c 181 182 static int fxgmac_channels_alloc(struct fxgmac_pdata *priv) 183 { 184 struct fxgmac_channel *channel_head, *channel; 185 struct fxgmac_ring *tx_ring, *rx_ring; 186 int ret = -ENOMEM; 187 188 channel_head = kcalloc(priv->channel_count, 189 sizeof(struct fxgmac_channel), GFP_KERNEL); 190 191 if (!channel_head) 192 return ret; 193 194 tx_ring = kcalloc(FXGMAC_TX_1_RING, sizeof(struct fxgmac_ring), 195 GFP_KERNEL); 196 if (!tx_ring) 197 goto err_tx_ring; 198 199 rx_ring = kcalloc(priv->rx_ring_count, sizeof(struct fxgmac_ring), 200 GFP_KERNEL); 201 if (!rx_ring) 202 goto err_rx_ring; 203 204 channel = channel_head; 205 for (u32 i = 0; i < priv->channel_count; i++, channel++) {

206 snprintf(channel->name, sizeof(channel->name), "channel-%u", i); 207 channel->priv = priv; 208 channel->queue_index = i; 209 channel->dma_regs = (priv)->hw_addr + DMA_CH_BASE + 210 (DMA_CH_INC * i); 211 212 if (priv->per_channel_irq) { 213 priv->channel_irq[i] = priv->msix_entries[i].vector; 214 215 if (IS_ENABLED(CONFIG_PCI_MSI) && i < FXGMAC_TX_1_RING) 216 fxgmac_set_msix_tx_irq(priv, channel); 217 218 /* Get the per DMA rx interrupt */ 219 ret = priv->channel_irq[i]; 220 if (ret < 0) { 221 dev_err(priv->dev, "channel irq[%u] failed\n", 222 i + 1); 223 goto err_irq; 224 } 225 226 channel->dma_irq_rx = ret; 227 } 228 229 if (i < FXGMAC_TX_1_RING) 230 channel->tx_ring = tx_ring++; 231 232 if (i < priv->rx_ring_count) 233 channel->rx_ring = rx_ring++; 234 } 235 236 priv->channel_head = channel_head; 237 return 0; 238 239 err_irq: 240 kfree(rx_ring); 241 242 err_rx_ring: 243 kfree(tx_ring); 244 245 err_tx_ring: 246 kfree(channel_head); 247 248 dev_err(priv->dev, "%s failed:%d\n", __func__, ret); 249 return ret; 250 } 251

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