tree: https://github.com/microchip-ung/linux-upstream.git v5.12-rc2.net-next.sparx5_switchdev head: c647e473e6ff8532c02ea3bd816aa477df3687f2 commit: 5c575d7626ed53e4ccf148d834dde04b91c29b77 [25/41] sparx5: Add IRQ muxing UIO driver [LOCAL] config: nds32-allyesconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/microchip-ung/linux-upstream/commit/5c575d7626ed53e4cc... git remote add microchip-ung-linux-upstream https://github.com/microchip-ung/linux-upstream.git git fetch --no-tags microchip-ung-linux-upstream v5.12-rc2.net-next.sparx5_switchdev git checkout 5c575d7626ed53e4ccf148d834dde04b91c29b77 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In function 'uio_fireant_irqmux_request_irqs', inlined from 'uio_fireant_irqmux_probe' at drivers/uio/uio_fireant_irqmux.c:304:8: 264 | strncpy(priv->sirq[num].name, r->name, MAXNAMELEN); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/strncpy +264 drivers/uio/uio_fireant_irqmux.c 241 242 static int uio_fireant_irqmux_request_irqs(struct irqmux_platdata *priv) 243 { 244 struct platform_device *pdev = priv->pdev; 245 int irq, num, max; 246 247 priv->n_sirq = platform_irq_count(pdev); 248 priv->sirq = devm_kzalloc(&pdev->dev, 249 sizeof(struct slave_irq)*priv->n_sirq, 250 GFP_KERNEL); 251 if (!priv->sirq) 252 return -ENOMEM; 253 254 for (num = 0, max = priv->n_sirq; num < max; num++) { 255 struct resource *r; 256 257 r = platform_get_resource(pdev, IORESOURCE_IRQ, num); 258 if (!r) 259 return -ENXIO; 260 irq = platform_get_irq(pdev, num); 261 priv->sirq[num].index = num; 262 priv->sirq[num].irq = irq; 263 priv->sirq[num].priv = priv; 265 if (irq <= 0) { 266 dev_err(&pdev->dev, "failed to get IRQ %d\n", num); 267 return irq; 268 } 269 if (num == 0) { 270 priv->info.irq = irq; 271 if (strcmp(r->name, "master")) { 272 dev_err(&pdev->dev, 273 "First irq must be 'master'\n"); 274 return -ENXIO; 275 } 276 } else { 277 int ret = request_irq(irq, slave_irq, 0, r->name, 278 (void *) &priv->sirq[num]); 279 if (ret < 0) { 280 dev_err(&pdev->dev, "can not get IRQ %d\n", 281 irq); 282 return -ENXIO; 283 } 284 } 285 } 286 287 return 0; 288 } 289 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org