See line 538.
julia
---------- Forwarded message ----------
Date: Wed, 11 Oct 2023 01:30:34 +0800
From: kernel test robot <lkp@xxxxxxxxx>
To: oe-kbuild@xxxxxxxxxxxxxxx
Cc: lkp@xxxxxxxxx, Julia Lawall <julia.lawall@xxxxxxxx>
Subject: [linux-next:master 6935/11192]
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c:538:25-29: ERROR:
aconnector is NULL but dereferenced.
BCC: lkp@xxxxxxxxx
CC: oe-kbuild-all@xxxxxxxxxxxxxxx
CC: Linux Memory Management List <linux-mm@xxxxxxxxx>
TO: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
CC: Alex Deucher <alexander.deucher@xxxxxxx>
CC: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: c0a6edb636cba9c0d1db966a54d910a02e52e4be
commit: 5d72e247e58c966f4e50cffebf0d414de7fc90ed [6935/11192] drm/amd/display: switch DC over to the new DRM logging macros
:::::: branch date: 12 hours ago
:::::: commit date: 2 weeks ago
config: x86_64-randconfig-104-20231010 (https://download.01.org/0day-ci/archive/20231011/202310110104.H593hwLd-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231011/202310110104.H593hwLd-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Reported-by: Julia Lawall <julia.lawall@xxxxxxxx>
| Closes: https://lore.kernel.org/r/202310110104.H593hwLd-lkp@xxxxxxxxx/
cocci warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c:538:25-29: ERROR: aconnector is NULL but dereferenced.
vim +538 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
4562236b3bc0a28 Harry Wentland 2017-09-12 534
c84dec2fe8837fa Harry Wentland 2017-09-05 535 struct amdgpu_dm_connector *aconnector = link->priv;
4562236b3bc0a28 Harry Wentland 2017-09-12 536
4562236b3bc0a28 Harry Wentland 2017-09-12 537 if (!aconnector) {
5d72e247e58c966 Hamza Mahfooz 2023-09-20 @538 drm_dbg_dp(aconnector->base.dev,
5d72e247e58c966 Hamza Mahfooz 2023-09-20 539 "Failed to find connector for link!\n");
4562236b3bc0a28 Harry Wentland 2017-09-12 540 return false;
4562236b3bc0a28 Harry Wentland 2017-09-12 541 }
4562236b3bc0a28 Harry Wentland 2017-09-12 542
4648cf5fc8c78d7 Hamza Mahfooz 2023-03-08 543 return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address, data,
4648cf5fc8c78d7 Hamza Mahfooz 2023-03-08 544 size) == size;
4562236b3bc0a28 Harry Wentland 2017-09-12 545 }
4562236b3bc0a28 Harry Wentland 2017-09-12 546
--
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https://github.com/intel/lkp-tests/wiki
