Hi Philipp, https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Philipp-Zabel/drm-add-drmm_encoder_alloc/20200826-203629 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-m001-20200826 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: drivers/gpu/drm/drm_crtc.c:343 drm_crtc_init_with_planes() error: uninitialized symbol 'ap'. drivers/gpu/drm/drm_crtc.c:383 __drmm_crtc_alloc_with_planes() error: uninitialized symbol 'ap'. # https://github.com/0day-ci/linux/commit/236b7bc44ae0fdecc8e80c5aba0655ca14fdfb23 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Philipp-Zabel/drm-add-drmm_encoder_alloc/20200826-203629 git checkout 236b7bc44ae0fdecc8e80c5aba0655ca14fdfb23 vim +/ap +343 drivers/gpu/drm/drm_crtc.c 236b7bc44ae0fd Philipp Zabel 2020-08-26 331 int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 236b7bc44ae0fd Philipp Zabel 2020-08-26 332 struct drm_plane *primary, 236b7bc44ae0fd Philipp Zabel 2020-08-26 333 struct drm_plane *cursor, 236b7bc44ae0fd Philipp Zabel 2020-08-26 334 const struct drm_crtc_funcs *funcs, 236b7bc44ae0fd Philipp Zabel 2020-08-26 335 const char *name, ...) 236b7bc44ae0fd Philipp Zabel 2020-08-26 336 { 236b7bc44ae0fd Philipp Zabel 2020-08-26 337 va_list ap; 236b7bc44ae0fd Philipp Zabel 2020-08-26 338 int ret; 236b7bc44ae0fd Philipp Zabel 2020-08-26 339 236b7bc44ae0fd Philipp Zabel 2020-08-26 340 if (name) 236b7bc44ae0fd Philipp Zabel 2020-08-26 341 va_start(ap, name); 236b7bc44ae0fd Philipp Zabel 2020-08-26 342 ret = drm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, 236b7bc44ae0fd Philipp Zabel 2020-08-26 @343 name, ap); ^^ 236b7bc44ae0fd Philipp Zabel 2020-08-26 344 if (name) 236b7bc44ae0fd Philipp Zabel 2020-08-26 345 va_end(ap); 236b7bc44ae0fd Philipp Zabel 2020-08-26 346 236b7bc44ae0fd Philipp Zabel 2020-08-26 347 return ret; 236b7bc44ae0fd Philipp Zabel 2020-08-26 348 } e13161af80c185 Matt Roper 2014-04-01 349 EXPORT_SYMBOL(drm_crtc_init_with_planes); f453ba0460742a Dave Airlie 2008-11-07 350 236b7bc44ae0fd Philipp Zabel 2020-08-26 351 static void drmm_crtc_alloc_with_planes_cleanup(struct drm_device *dev, 236b7bc44ae0fd Philipp Zabel 2020-08-26 352 void *ptr) 236b7bc44ae0fd Philipp Zabel 2020-08-26 353 { 236b7bc44ae0fd Philipp Zabel 2020-08-26 354 struct drm_crtc *crtc = ptr; 236b7bc44ae0fd Philipp Zabel 2020-08-26 355 236b7bc44ae0fd Philipp Zabel 2020-08-26 356 drm_crtc_cleanup(crtc); 236b7bc44ae0fd Philipp Zabel 2020-08-26 357 } 236b7bc44ae0fd Philipp Zabel 2020-08-26 358 236b7bc44ae0fd Philipp Zabel 2020-08-26 359 void *__drmm_crtc_alloc_with_planes(struct drm_device *dev, 236b7bc44ae0fd Philipp Zabel 2020-08-26 360 size_t size, size_t offset, 236b7bc44ae0fd Philipp Zabel 2020-08-26 361 struct drm_plane *primary, 236b7bc44ae0fd Philipp Zabel 2020-08-26 362 struct drm_plane *cursor, 236b7bc44ae0fd Philipp Zabel 2020-08-26 363 const struct drm_crtc_funcs *funcs, 236b7bc44ae0fd Philipp Zabel 2020-08-26 364 const char *name, ...) 236b7bc44ae0fd Philipp Zabel 2020-08-26 365 { 236b7bc44ae0fd Philipp Zabel 2020-08-26 366 void *container; 236b7bc44ae0fd Philipp Zabel 2020-08-26 367 struct drm_crtc *crtc; 236b7bc44ae0fd Philipp Zabel 2020-08-26 368 va_list ap; 236b7bc44ae0fd Philipp Zabel 2020-08-26 369 int ret; 236b7bc44ae0fd Philipp Zabel 2020-08-26 370 236b7bc44ae0fd Philipp Zabel 2020-08-26 371 if (!funcs || funcs->destroy) 236b7bc44ae0fd Philipp Zabel 2020-08-26 372 return ERR_PTR(-EINVAL); 236b7bc44ae0fd Philipp Zabel 2020-08-26 373 236b7bc44ae0fd Philipp Zabel 2020-08-26 374 container = drmm_kzalloc(dev, size, GFP_KERNEL); 236b7bc44ae0fd Philipp Zabel 2020-08-26 375 if (!container) 236b7bc44ae0fd Philipp Zabel 2020-08-26 376 return ERR_PTR(-ENOMEM); 236b7bc44ae0fd Philipp Zabel 2020-08-26 377 236b7bc44ae0fd Philipp Zabel 2020-08-26 378 crtc = container + offset; 236b7bc44ae0fd Philipp Zabel 2020-08-26 379 236b7bc44ae0fd Philipp Zabel 2020-08-26 380 if (name) 236b7bc44ae0fd Philipp Zabel 2020-08-26 381 va_start(ap, name); 236b7bc44ae0fd Philipp Zabel 2020-08-26 382 ret = __drm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, 236b7bc44ae0fd Philipp Zabel 2020-08-26 @383 name, ap); 236b7bc44ae0fd Philipp Zabel 2020-08-26 384 if (name) 236b7bc44ae0fd Philipp Zabel 2020-08-26 385 va_end(ap); 236b7bc44ae0fd Philipp Zabel 2020-08-26 386 if (ret) 236b7bc44ae0fd Philipp Zabel 2020-08-26 387 return ERR_PTR(ret); 236b7bc44ae0fd Philipp Zabel 2020-08-26 388 236b7bc44ae0fd Philipp Zabel 2020-08-26 389 ret = drmm_add_action_or_reset(dev, drmm_crtc_alloc_with_planes_cleanup, 236b7bc44ae0fd Philipp Zabel 2020-08-26 390 crtc); 236b7bc44ae0fd Philipp Zabel 2020-08-26 391 if (ret) 236b7bc44ae0fd Philipp Zabel 2020-08-26 392 return ERR_PTR(ret); 236b7bc44ae0fd Philipp Zabel 2020-08-26 393 236b7bc44ae0fd Philipp Zabel 2020-08-26 394 return container; 236b7bc44ae0fd Philipp Zabel 2020-08-26 395 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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