Hi Wang,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master] [also build test WARNING on v5.12-rc2 next-20210311] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Wang-Qing/video-fbdev-delete-redund... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a74e6a014c9d4d4161061f770c9b4f98372ac778 config: arm-pxa_defconfig (attached as .config) compiler: arm-linux-gnueabi-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/0day-ci/linux/commit/6d93756a48a2f91e8ac0cfdfd8734d300807... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Wang-Qing/video-fbdev-delete-redundant-printing-of-return-value/20210311-201743 git checkout 6d93756a48a2f91e8ac0cfdfd8734d30080706c2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot lkp@intel.com
All warnings (new ones prefixed by >>):
drivers/video/fbdev/pxafb.c: In function 'pxafb_probe':
drivers/video/fbdev/pxafb.c:2329:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
2329 | if (irq < 0) | ^~ drivers/video/fbdev/pxafb.c:2331:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 2331 | goto failed_free_mem; | ^~~~
vim +/if +2329 drivers/video/fbdev/pxafb.c
2235 2236 static int pxafb_probe(struct platform_device *dev) 2237 { 2238 struct pxafb_info *fbi; 2239 struct pxafb_mach_info *inf, *pdata; 2240 int i, irq, ret; 2241 2242 dev_dbg(&dev->dev, "pxafb_probe\n"); 2243 2244 ret = -ENOMEM; 2245 pdata = dev_get_platdata(&dev->dev); 2246 inf = devm_kmalloc(&dev->dev, sizeof(*inf), GFP_KERNEL); 2247 if (!inf) 2248 goto failed; 2249 2250 if (pdata) { 2251 *inf = *pdata; 2252 inf->modes = 2253 devm_kmalloc_array(&dev->dev, pdata->num_modes, 2254 sizeof(inf->modes[0]), GFP_KERNEL); 2255 if (!inf->modes) 2256 goto failed; 2257 for (i = 0; i < inf->num_modes; i++) 2258 inf->modes[i] = pdata->modes[i]; 2259 } 2260 2261 if (!pdata) 2262 inf = of_pxafb_of_mach_info(&dev->dev); 2263 if (IS_ERR_OR_NULL(inf)) 2264 goto failed; 2265 2266 ret = pxafb_parse_options(&dev->dev, g_options, inf); 2267 if (ret < 0) 2268 goto failed; 2269 2270 pxafb_check_options(&dev->dev, inf); 2271 2272 dev_dbg(&dev->dev, "got a %dx%dx%d LCD\n", 2273 inf->modes->xres, 2274 inf->modes->yres, 2275 inf->modes->bpp); 2276 if (inf->modes->xres == 0 || 2277 inf->modes->yres == 0 || 2278 inf->modes->bpp == 0) { 2279 dev_err(&dev->dev, "Invalid resolution or bit depth\n"); 2280 ret = -EINVAL; 2281 goto failed; 2282 } 2283 2284 fbi = pxafb_init_fbinfo(&dev->dev, inf); 2285 if (IS_ERR(fbi)) { 2286 dev_err(&dev->dev, "Failed to initialize framebuffer device\n"); 2287 ret = PTR_ERR(fbi); 2288 goto failed; 2289 } 2290 2291 if (cpu_is_pxa3xx() && inf->acceleration_enabled) 2292 fbi->fb.fix.accel = FB_ACCEL_PXA3XX; 2293 2294 fbi->backlight_power = inf->pxafb_backlight_power; 2295 fbi->lcd_power = inf->pxafb_lcd_power; 2296 2297 fbi->lcd_supply = devm_regulator_get_optional(&dev->dev, "lcd"); 2298 if (IS_ERR(fbi->lcd_supply)) { 2299 if (PTR_ERR(fbi->lcd_supply) == -EPROBE_DEFER) 2300 return -EPROBE_DEFER; 2301 2302 fbi->lcd_supply = NULL; 2303 } 2304 2305 fbi->mmio_base = devm_platform_ioremap_resource(dev, 0); 2306 if (IS_ERR(fbi->mmio_base)) { 2307 dev_err(&dev->dev, "failed to get I/O memory\n"); 2308 ret = PTR_ERR(fbi->mmio_base); 2309 goto failed; 2310 } 2311 2312 fbi->dma_buff_size = PAGE_ALIGN(sizeof(struct pxafb_dma_buff)); 2313 fbi->dma_buff = dma_alloc_coherent(fbi->dev, fbi->dma_buff_size, 2314 &fbi->dma_buff_phys, GFP_KERNEL); 2315 if (fbi->dma_buff == NULL) { 2316 dev_err(&dev->dev, "failed to allocate memory for DMA\n"); 2317 ret = -ENOMEM; 2318 goto failed; 2319 } 2320 2321 ret = pxafb_init_video_memory(fbi); 2322 if (ret) { 2323 dev_err(&dev->dev, "Failed to allocate video RAM: %d\n", ret); 2324 ret = -ENOMEM; 2325 goto failed_free_dma; 2326 } 2327 2328 irq = platform_get_irq(dev, 0);
2329 if (irq < 0)
2330 ret = -ENODEV; 2331 goto failed_free_mem; 2332 2333 ret = devm_request_irq(&dev->dev, irq, pxafb_handle_irq, 0, "LCD", fbi); 2334 if (ret) { 2335 dev_err(&dev->dev, "request_irq failed: %d\n", ret); 2336 ret = -EBUSY; 2337 goto failed_free_mem; 2338 } 2339 2340 ret = pxafb_smart_init(fbi); 2341 if (ret) { 2342 dev_err(&dev->dev, "failed to initialize smartpanel\n"); 2343 goto failed_free_mem; 2344 } 2345 2346 /* 2347 * This makes sure that our colour bitfield 2348 * descriptors are correctly initialised. 2349 */ 2350 ret = pxafb_check_var(&fbi->fb.var, &fbi->fb); 2351 if (ret) { 2352 dev_err(&dev->dev, "failed to get suitable mode\n"); 2353 goto failed_free_mem; 2354 } 2355 2356 ret = pxafb_set_par(&fbi->fb); 2357 if (ret) { 2358 dev_err(&dev->dev, "Failed to set parameters\n"); 2359 goto failed_free_mem; 2360 } 2361 2362 platform_set_drvdata(dev, fbi); 2363 2364 ret = register_framebuffer(&fbi->fb); 2365 if (ret < 0) { 2366 dev_err(&dev->dev, 2367 "Failed to register framebuffer device: %d\n", ret); 2368 goto failed_free_cmap; 2369 } 2370 2371 pxafb_overlay_init(fbi); 2372
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