On 18/07/18 16:53, Julia Lawall wrote: > Hello, > > Please check on whether the kfree in the remove function is still needed. > Also the platform_driver structure has two probe fields. Fair enough, kfree(private) is not needed, because it is allocated with devm_kzalloc. I'll fix both errors. Thanks for noting. Matthias > > julia > > ---------- Forwarded message ---------- > Date: Wed, 18 Jul 2018 22:31:13 +0800 > From: kbuild test robot <lkp@xxxxxxxxx> > To: kbuild@xxxxxx > Cc: Julia Lawall <julia.lawall@xxxxxxx> > Subject: Re: [resend PATCH v4 3/5] clk: mediatek: mt8173: switch mmsys to > platform device probing > > In-Reply-To: <20180717220328.792-4-matthias.bgg@xxxxxxxxxx> > References: <20180717220328.792-4-matthias.bgg@xxxxxxxxxx> > TO: matthias.bgg@xxxxxxxxxx > > Hi Matthias, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on sof-driver-fuweitax/master] > [also build test WARNING on v4.18-rc5 next-20180718] > [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/matthias-bgg-kernel-org/arm-arm64-mediatek-Fix-mmsys-device-probing/20180718-191916 > base: https://github.com/fuweitax/linux master > :::::: branch date: 3 hours ago > :::::: commit date: 3 hours ago > >>> drivers/clk/mediatek/clk-mt8173.c:1195:1-6: WARNING: invalid free of devm_ allocated data > -- >>> drivers/clk/mediatek/clk-mt8173.c:1200:48-49: probe: first occurrence line 1201, second occurrence line 1202 > > # https://github.com/0day-ci/linux/commit/112857d0f58413a87875dfc9e1b43fdfde3b55eb > git remote add linux-review https://github.com/0day-ci/linux > git remote update linux-review > git checkout 112857d0f58413a87875dfc9e1b43fdfde3b55eb > vim +1195 drivers/clk/mediatek/clk-mt8173.c > > 112857d0 Matthias Brugger 2018-07-18 1189 > 112857d0 Matthias Brugger 2018-07-18 1190 static int mtk_mmsys_remove(struct platform_device *pdev) > 112857d0 Matthias Brugger 2018-07-18 1191 { > 112857d0 Matthias Brugger 2018-07-18 1192 struct mtk_mmsys_priv *private = platform_get_drvdata(pdev); > 112857d0 Matthias Brugger 2018-07-18 1193 > 112857d0 Matthias Brugger 2018-07-18 1194 kfree(private->clk_data); > 112857d0 Matthias Brugger 2018-07-18 @1195 kfree(private); > 112857d0 Matthias Brugger 2018-07-18 1196 > 112857d0 Matthias Brugger 2018-07-18 1197 return 0; > 29859d93 James Liao 2015-05-20 1198 } > 112857d0 Matthias Brugger 2018-07-18 1199 > 112857d0 Matthias Brugger 2018-07-18 @1200 static struct platform_driver clk_mt8173_mm_drv = { > 112857d0 Matthias Brugger 2018-07-18 @1201 .probe = mtk_mmsys_probe, > 112857d0 Matthias Brugger 2018-07-18 @1202 .probe = mtk_mmsys_remove, > 112857d0 Matthias Brugger 2018-07-18 1203 .driver = { > 112857d0 Matthias Brugger 2018-07-18 1204 .name = "clk-mt8173-mm", > 112857d0 Matthias Brugger 2018-07-18 1205 }, > 112857d0 Matthias Brugger 2018-07-18 1206 }; > 112857d0 Matthias Brugger 2018-07-18 1207 module_platform_driver(clk_mt8173_mm_drv); > 29859d93 James Liao 2015-05-20 1208 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel