On Fri, 31 Jan 2020, Julia Lawall wrote: > The code on line 462 looks suspicious. Thank you Julia. Have you already reported this to the other Stable Maintainers? This issue appears to affect; 4.4, 4.9, 4.14 and 4.19. > ---------- Forwarded message ---------- > Date: Fri, 31 Jan 2020 16:56:26 +0800 > From: kbuild test robot <lkp@xxxxxxxxx> > To: kbuild@xxxxxxxxxxxx > Cc: Julia Lawall <julia.lawall@xxxxxxx> > Subject: [lee:android-3.18-preview 136/224] > drivers/media/radio/si470x/radio-si470x-i2c.c:462:25-30: ERROR: reference > preceded by free on line 460 > > CC: kbuild-all@xxxxxxxxxxxx > BCC: philip.li@xxxxxxxxx > TO: Lee Jones <lee.jones@xxxxxxxxxx> > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/lee/linux.git android-3.18-preview > head: 356017eeb20d27b17d236ff6b31c0b7d24dff865 > commit: 752c36757aa40c2f669d7da128aae237f9fd3318 [136/224] media: si470x-i2c: add missed operations in remove > :::::: branch date: 18 hours ago > :::::: commit date: 6 days ago > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > Reported-by: Julia Lawall <julia.lawall@xxxxxxx> > > >> drivers/media/radio/si470x/radio-si470x-i2c.c:462:25-30: ERROR: reference preceded by free on line 460 > > # https://git.kernel.org/pub/scm/linux/kernel/git/lee/linux.git/commit/?id=752c36757aa40c2f669d7da128aae237f9fd3318 > git remote add lee https://git.kernel.org/pub/scm/linux/kernel/git/lee/linux.git > git remote update lee > git checkout 752c36757aa40c2f669d7da128aae237f9fd3318 > vim +462 drivers/media/radio/si470x/radio-si470x-i2c.c > > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 449 > 9dcb79c2eedb5b Tobias Lorenz 2009-08-10 450 > 9dcb79c2eedb5b Tobias Lorenz 2009-08-10 451 /* > 9dcb79c2eedb5b Tobias Lorenz 2009-08-10 452 * si470x_i2c_remove - remove the device > 9dcb79c2eedb5b Tobias Lorenz 2009-08-10 453 */ > 4c62e9764ab403 Greg Kroah-Hartman 2012-12-21 454 static int si470x_i2c_remove(struct i2c_client *client) > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 455 { > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 456 struct si470x_device *radio = i2c_get_clientdata(client); > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 457 > fe2137dd4e6e4b Joonyoung Shim 2009-12-10 458 free_irq(client->irq, radio); > 4967d53dbbcebf Hans Verkuil 2012-05-04 459 video_unregister_device(&radio->videodev); > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 @460 kfree(radio); > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 461 > 752c36757aa40c Chuhong Yuan 2019-11-10 @462 v4l2_ctrl_handler_free(&radio->hdl); > 752c36757aa40c Chuhong Yuan 2019-11-10 463 v4l2_device_unregister(&radio->v4l2_dev); > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 464 return 0; > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 465 } > cc35bbddfe10f7 Joonyoung Shim 2009-08-09 466 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
