Hi, On Mon, Jul 1, 2024 at 8:45 AM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 0fc4bfab2cd45f9acb86c4f04b5191e114e901ed > commit: d7d473d8464e7b9931c0b19f68ea0df807e01b4c [4298/8232] drm/panel: sharp-lq101r1sx01: Don't call disable at shutdown/remove > config: x86_64-randconfig-161-20240626 (https://download.01.org/0day-ci/archive/20240626/202406261525.SkhtM3ZV-lkp@xxxxxxxxx/config) > compiler: gcc-10 (Ubuntu 10.5.0-1ubuntu1) 10.5.0 > > 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 <dan.carpenter@xxxxxxxxxx> > | Closes: https://lore.kernel.org/r/202406261525.SkhtM3ZV-lkp@xxxxxxxxx/ > > smatch warnings: > drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c:366 sharp_panel_remove() error: we previously assumed 'sharp' could be null (see line 365) > > vim +/sharp +366 drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c > > 79abca2b399009 Uwe Kleine-König 2022-07-08 355 static void sharp_panel_remove(struct mipi_dsi_device *dsi) > 1976dbca047ed7 Thierry Reding 2014-08-01 356 { > 1976dbca047ed7 Thierry Reding 2014-08-01 357 struct sharp_panel *sharp = mipi_dsi_get_drvdata(dsi); > 1976dbca047ed7 Thierry Reding 2014-08-01 358 int err; > 1976dbca047ed7 Thierry Reding 2014-08-01 359 > 1976dbca047ed7 Thierry Reding 2014-08-01 360 err = mipi_dsi_detach(dsi); > 1976dbca047ed7 Thierry Reding 2014-08-01 361 if (err < 0) > 1976dbca047ed7 Thierry Reding 2014-08-01 362 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); > 1976dbca047ed7 Thierry Reding 2014-08-01 363 > d7d473d8464e7b Douglas Anderson 2024-06-04 364 /* only detach from host for the DSI-LINK2 interface */ > 1976dbca047ed7 Thierry Reding 2014-08-01 @365 if (!sharp) > > Reversed if statement? > > d7d473d8464e7b Douglas Anderson 2024-06-04 @366 sharp_panel_del(sharp); > 1976dbca047ed7 Thierry Reding 2014-08-01 367 } Indeed. Thanks for the catch. Fix posted at: https://lore.kernel.org/r/20240708105221.1.I576751c661c7edb6b804dda405d10e2e71153e32@changeid