Hi Lubomir, I love your patch! Yet something to improve: [auto build test ERROR on wireless-drivers-next/master] [also build test ERROR on v4.19-rc5 next-20180924] [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/Lubomir-Rintel/libertas-return-errno-from-lbs_add_card/20180925-105034 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=sh All errors (new ones prefixed by >>): drivers/net//wireless/marvell/libertas/if_usb.c: In function 'if_usb_probe': >> drivers/net//wireless/marvell/libertas/if_usb.c:259:3: error: 'ret' undeclared (first use in this function); did you mean 'net'? ret = PTR_ERR(priv); ^~~ net drivers/net//wireless/marvell/libertas/if_usb.c:259:3: note: each undeclared identifier is reported only once for each function it appears in -- drivers/net//wireless/marvell/libertas/if_spi.c: In function 'if_spi_probe': >> drivers/net//wireless/marvell/libertas/if_spi.c:1150:3: error: 'ret' undeclared (first use in this function); did you mean 'net'? ret = PTR_ERR(priv); ^~~ net drivers/net//wireless/marvell/libertas/if_spi.c:1150:3: note: each undeclared identifier is reported only once for each function it appears in vim +259 drivers/net//wireless/marvell/libertas/if_usb.c 184 185 /** 186 * if_usb_probe - sets the configuration values 187 * @intf: &usb_interface pointer 188 * @id: pointer to usb_device_id 189 * returns: 0 on success, error code on failure 190 */ 191 static int if_usb_probe(struct usb_interface *intf, 192 const struct usb_device_id *id) 193 { 194 struct usb_device *udev; 195 struct usb_host_interface *iface_desc; 196 struct usb_endpoint_descriptor *endpoint; 197 struct lbs_private *priv; 198 struct if_usb_card *cardp; 199 int r = -ENOMEM; 200 int i; 201 202 udev = interface_to_usbdev(intf); 203 204 cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); 205 if (!cardp) 206 goto error; 207 208 timer_setup(&cardp->fw_timeout, if_usb_fw_timeo, 0); 209 init_waitqueue_head(&cardp->fw_wq); 210 211 cardp->udev = udev; 212 cardp->model = (uint32_t) id->driver_info; 213 iface_desc = intf->cur_altsetting; 214 215 lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" 216 " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", 217 le16_to_cpu(udev->descriptor.bcdUSB), 218 udev->descriptor.bDeviceClass, 219 udev->descriptor.bDeviceSubClass, 220 udev->descriptor.bDeviceProtocol); 221 222 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 223 endpoint = &iface_desc->endpoint[i].desc; 224 if (usb_endpoint_is_bulk_in(endpoint)) { 225 cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); 226 cardp->ep_in = usb_endpoint_num(endpoint); 227 228 lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); 229 lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); 230 231 } else if (usb_endpoint_is_bulk_out(endpoint)) { 232 cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); 233 cardp->ep_out = usb_endpoint_num(endpoint); 234 235 lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); 236 lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); 237 } 238 } 239 if (!cardp->ep_out_size || !cardp->ep_in_size) { 240 lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); 241 goto dealloc; 242 } 243 if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { 244 lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); 245 goto dealloc; 246 } 247 if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { 248 lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); 249 goto dealloc; 250 } 251 cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); 252 if (!cardp->ep_out_buf) { 253 lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); 254 goto dealloc; 255 } 256 257 priv = lbs_add_card(cardp, &intf->dev); 258 if (IS_ERR(priv)) { > 259 ret = PTR_ERR(priv); 260 goto err_add_card; 261 } 262 263 cardp->priv = priv; 264 265 priv->hw_host_to_card = if_usb_host_to_card; 266 priv->enter_deep_sleep = NULL; 267 priv->exit_deep_sleep = NULL; 268 priv->reset_deep_sleep_wakeup = NULL; 269 priv->is_polling = false; 270 #ifdef CONFIG_OLPC 271 if (machine_is_olpc()) 272 priv->reset_card = if_usb_reset_olpc_card; 273 #endif 274 275 cardp->boot2_version = udev->descriptor.bcdDevice; 276 277 usb_get_dev(udev); 278 usb_set_intfdata(intf, cardp); 279 280 r = lbs_get_firmware_async(priv, &udev->dev, cardp->model, 281 fw_table, if_usb_prog_firmware); 282 if (r) 283 goto err_get_fw; 284 285 return 0; 286 287 err_get_fw: 288 lbs_remove_card(priv); 289 err_add_card: 290 if_usb_reset_device(cardp); 291 dealloc: 292 if_usb_free(cardp); 293 294 error: 295 return r; 296 } 297 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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