tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ecc768a84f0b8e631986f9ade3118fa37852fef0 commit: 98365ca74cbfae16b793b62a7ecabb5be8d77785 [6570/8400] drm/tegra: convert to struct drm_edid config: nios2-randconfig-r072-20240902 (https://download.01.org/0day-ci/archive/20240902/202409022236.7pEcEksT-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 14.1.0 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@xxxxxxxxx> | Reported-by: Dan Carpenter <error27@xxxxxxxxx> | Closes: https://lore.kernel.org/r/202409022236.7pEcEksT-lkp@xxxxxxxxx/ smatch warnings: drivers/gpu/drm/tegra/output.c:42 tegra_output_connector_get_modes() error: uninitialized symbol 'drm_edid'. vim +/drm_edid +42 drivers/gpu/drm/tegra/output.c 132085d84fca65 Thierry Reding 2014-11-28 21 int tegra_output_connector_get_modes(struct drm_connector *connector) d8f4a9eda00678 Thierry Reding 2012-11-15 22 { d8f4a9eda00678 Thierry Reding 2012-11-15 23 struct tegra_output *output = connector_to_output(connector); 98365ca74cbfae Jani Nikula 2024-08-22 24 const struct drm_edid *drm_edid; There used to be an = NULL here. d8f4a9eda00678 Thierry Reding 2012-11-15 25 int err = 0; d8f4a9eda00678 Thierry Reding 2012-11-15 26 acde541324dcfe Thierry Reding 2014-01-13 27 /* acde541324dcfe Thierry Reding 2014-01-13 28 * If the panel provides one or more modes, use them exclusively and acde541324dcfe Thierry Reding 2014-01-13 29 * ignore any other means of obtaining a mode. acde541324dcfe Thierry Reding 2014-01-13 30 */ 9be7d864cf0763 Thierry Reding 2013-08-30 31 if (output->panel) { 06c4a9c2ae606a Sam Ravnborg 2019-12-07 32 err = drm_panel_get_modes(output->panel, connector); 9be7d864cf0763 Thierry Reding 2013-08-30 33 if (err > 0) 9be7d864cf0763 Thierry Reding 2013-08-30 34 return err; 9be7d864cf0763 Thierry Reding 2013-08-30 35 } 9be7d864cf0763 Thierry Reding 2013-08-30 36 98365ca74cbfae Jani Nikula 2024-08-22 37 if (output->drm_edid) 98365ca74cbfae Jani Nikula 2024-08-22 38 drm_edid = drm_edid_dup(output->drm_edid); d8f4a9eda00678 Thierry Reding 2012-11-15 39 else if (output->ddc) 98365ca74cbfae Jani Nikula 2024-08-22 40 drm_edid = drm_edid_read_ddc(connector, output->ddc); I mean presumably either ->drm_edid or ->ddc is true, but you can see why the checker complains. d8f4a9eda00678 Thierry Reding 2012-11-15 41 98365ca74cbfae Jani Nikula 2024-08-22 @42 drm_edid_connector_update(connector, drm_edid); 98365ca74cbfae Jani Nikula 2024-08-22 43 cec_notifier_set_phys_addr(output->cec, 98365ca74cbfae Jani Nikula 2024-08-22 44 connector->display_info.source_physical_address); d8f4a9eda00678 Thierry Reding 2012-11-15 45 98365ca74cbfae Jani Nikula 2024-08-22 46 err = drm_edid_connector_add_modes(connector); 98365ca74cbfae Jani Nikula 2024-08-22 47 drm_edid_free(drm_edid); d8f4a9eda00678 Thierry Reding 2012-11-15 48 d8f4a9eda00678 Thierry Reding 2012-11-15 49 return err; d8f4a9eda00678 Thierry Reding 2012-11-15 50 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
