From mboxrd@z Thu Jan 1 00:00:00 1970 From: kbuild test robot Subject: Re: [Intel-gfx] [PATCH 18/33] fbdev: make unregister/unlink functions not fail Date: Tue, 21 May 2019 05:45:53 +0800 Message-ID: <201905210520.GS4ztecg%lkp@intel.com> References: <20190520082216.26273-19-daniel.vetter@ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190520082216.26273-19-daniel.vetter@ffwll.ch> Sender: linux-kernel-owner@vger.kernel.org Cc: kbuild-all@01.org, DRI Development , linux-fbdev@vger.kernel.org, Bartlomiej Zolnierkiewicz , Daniel Vetter , Intel Graphics Development , LKML , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Mikulas Patocka , Daniel Vetter , Peter Rosin List-Id: intel-gfx@lists.freedesktop.org Hi Daniel, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.2-rc1 next-20190520] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/fbcon-notifier-begone/20190521-021841 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/staging/fbtft/fbtft-core.c:894:38: sparse: sparse: incorrect type in return expression (different base types) @@ expected int @@ got vint @@ >> drivers/staging/fbtft/fbtft-core.c:894:38: sparse: expected int >> drivers/staging/fbtft/fbtft-core.c:894:38: sparse: got void -- >> drivers/media/pci/ivtv/ivtvfb.c:1261:43: sparse: sparse: incorrect type in conditional (non-scalar type) >> drivers/media/pci/ivtv/ivtvfb.c:1261:43: sparse: got void -- >> drivers/video/fbdev/neofb.c:2130:43: sparse: sparse: incorrect type in conditional (non-scalar type) >> drivers/video/fbdev/neofb.c:2130:43: sparse: got void -- >> drivers/video/fbdev/savage/savagefb_driver.c:2341:43: sparse: sparse: incorrect type in conditional (non-scalar type) >> drivers/video/fbdev/savage/savagefb_driver.c:2341:43: sparse: got void vim +894 drivers/staging/fbtft/fbtft-core.c c296d5f9 Thomas Petazzoni 2014-12-31 877 c296d5f9 Thomas Petazzoni 2014-12-31 878 /** c296d5f9 Thomas Petazzoni 2014-12-31 879 * fbtft_unregister_framebuffer - releases a tft frame buffer device c296d5f9 Thomas Petazzoni 2014-12-31 880 * @fb_info: frame buffer info structure c296d5f9 Thomas Petazzoni 2014-12-31 881 * c296d5f9 Thomas Petazzoni 2014-12-31 882 * Frees SPI driverdata if needed c296d5f9 Thomas Petazzoni 2014-12-31 883 * Frees gpios. c296d5f9 Thomas Petazzoni 2014-12-31 884 * Unregisters frame buffer device. c296d5f9 Thomas Petazzoni 2014-12-31 885 * c296d5f9 Thomas Petazzoni 2014-12-31 886 */ c296d5f9 Thomas Petazzoni 2014-12-31 887 int fbtft_unregister_framebuffer(struct fb_info *fb_info) c296d5f9 Thomas Petazzoni 2014-12-31 888 { c296d5f9 Thomas Petazzoni 2014-12-31 889 struct fbtft_par *par = fb_info->par; c296d5f9 Thomas Petazzoni 2014-12-31 890 c296d5f9 Thomas Petazzoni 2014-12-31 891 if (par->fbtftops.unregister_backlight) c296d5f9 Thomas Petazzoni 2014-12-31 892 par->fbtftops.unregister_backlight(par); c296d5f9 Thomas Petazzoni 2014-12-31 893 fbtft_sysfs_exit(par); 11107ffe Aya Mahfouz 2015-02-27 @894 return unregister_framebuffer(fb_info); c296d5f9 Thomas Petazzoni 2014-12-31 895 } c296d5f9 Thomas Petazzoni 2014-12-31 896 EXPORT_SYMBOL(fbtft_unregister_framebuffer); c296d5f9 Thomas Petazzoni 2014-12-31 897 :::::: The code at line 894 was first introduced by commit :::::: 11107ffe2cd1c1dc5948713fc08a1372185be0d5 staging: fbtft: remove unused variable :::::: TO: Aya Mahfouz :::::: CC: Greg Kroah-Hartman --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation