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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-02 15:01:05 +0200
committerAlex Deucher <alexander.deucher@amd.com>2022-09-07 22:51:38 -0400
commitcbfac7fa491651c57926c99edeb7495c6c1aeac2 (patch)
tree1f82c293844bbbd6c433a1c49a57a8f9ce28128c /drivers
parentdrm/amd/pm: add missing SetMGpuFanBoostLimitRpm mapping for SMU 13.0.7 (diff)
downloadlinux-dev-cbfac7fa491651c57926c99edeb7495c6c1aeac2.tar.xz
linux-dev-cbfac7fa491651c57926c99edeb7495c6c1aeac2.zip
drm/amd/display: fix memory leak when using debugfs_lookup()
When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. Fix this up by properly calling dput(). Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Wayne Lin <Wayne.Lin@amd.com> Cc: hersen wu <hersenxs.wu@amd.com> Cc: Wenjing Liu <wenjing.liu@amd.com> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Cc: Thelford Williams <tdwilliamsiv@gmail.com> Cc: Fangzhi Zuo <Jerry.Zuo@amd.com> Cc: Yongzhi Liu <lyz_cs@pku.edu.cn> Cc: Mikita Lipski <mikita.lipski@amd.com> Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 0e48824f55e3..ee242d9d8b06 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -3288,6 +3288,7 @@ void crtc_debugfs_init(struct drm_crtc *crtc)
&crc_win_y_end_fops);
debugfs_create_file_unsafe("crc_win_update", 0644, dir, crtc,
&crc_win_update_fops);
+ dput(dir);
#endif
debugfs_create_file("amdgpu_current_bpc", 0644, crtc->debugfs_entry,
crtc, &amdgpu_current_bpc_fops);