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Message-ID: <202410172046.2W97YGlm-lkp@intel.com>
Date: Thu, 17 Oct 2024 21:22:02 +0800
From: kernel test robot <lkp@...el.com>
To: Jinjie Ruan <ruanjinjie@...wei.com>, maarten.lankhorst@...ux.intel.com,
mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
simona@...ll.ch, christian.koenig@....com, ray.huang@....com,
dmitry.baryshkov@...aro.org, dave.stevenson@...pberrypi.com,
mcanal@...lia.com, quic_jjohnson@...cinc.com,
karolina.stolarek@...el.com, Arunpravin.PaneerSelvam@....com,
thomas.hellstrom@...ux.intel.com, asomalap@....com,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
ruanjinjie@...wei.com
Subject: Re: [PATCH 1/3] drm/connector: hdmi: Fix memory leak in
drm_display_mode_from_cea_vic()
Hi Jinjie,
kernel test robot noticed the following build errors:
[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.12-rc3 next-20241017]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jinjie-Ruan/drm-connector-hdmi-Fix-memory-leak-in-drm_display_mode_from_cea_vic/20241014-152022
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20241014071632.989108-2-ruanjinjie%40huawei.com
patch subject: [PATCH 1/3] drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()
config: arm-randconfig-002-20241017 (https://download.01.org/0day-ci/archive/20241017/202410172046.2W97YGlm-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241017/202410172046.2W97YGlm-lkp@intel.com/reproduce)
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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410172046.2W97YGlm-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/tests/drm_connector_test.c:1008:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1031:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1051:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1074:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1094:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1117:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1142:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1182:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1209:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1233:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1257:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
drivers/gpu/drm/tests/drm_connector_test.c:1281:24: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
drm_mode_destroy(drm, mode);
^~~~
include/drm/drm_modes.h:456:72: note: passing argument to parameter 'mode' here
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
^
12 errors generated.
vim +1008 drivers/gpu/drm/tests/drm_connector_test.c
987
988 /*
989 * Test that for a given mode, with 8bpc and an RGB output the TMDS
990 * character rate is equal to the mode pixel clock.
991 */
992 static void drm_test_drm_hdmi_compute_mode_clock_rgb(struct kunit *test)
993 {
994 struct drm_connector_init_priv *priv = test->priv;
995 const struct drm_display_mode *mode;
996 unsigned long long rate;
997 struct drm_device *drm = &priv->drm;
998
999 mode = drm_display_mode_from_cea_vic(drm, 16);
1000 KUNIT_ASSERT_NOT_NULL(test, mode);
1001
1002 KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK);
1003
1004 rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB);
1005 KUNIT_ASSERT_GT(test, rate, 0);
1006 KUNIT_EXPECT_EQ(test, mode->clock * 1000ULL, rate);
1007
> 1008 drm_mode_destroy(drm, mode);
1009 }
1010
--
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https://github.com/intel/lkp-tests/wiki
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