From: Hersen Wu <hersenxs.wu@xxxxxxx> [ Upstream commit 674704a5dabe4a434645fdd11e35437f4e06dfc4 ] [Why] Coverity reports RESOURCE_LEAK for some implemenations of clock_source_create. Do not release memory of clk_src if contructor fails. [How] Free clk_src if contructor fails. Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx> Signed-off-by: Hersen Wu <hersenxs.wu@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- .../gpu/drm/amd/display/dc/resource/dce80/dce80_resource.c | 1 + .../gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c | 1 + .../gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c | 4 ++-- .../gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c | 1 + .../gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c | 1 + 5 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dce80/dce80_resource.c index 56ee45e12b461..a73d3c6ef4258 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dce80/dce80_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dce80/dce80_resource.c @@ -1538,6 +1538,7 @@ struct resource_pool *dce83_create_resource_pool( if (dce83_construct(num_virtual_links, dc, pool)) return &pool->base; + kfree(pool); BREAK_TO_DEBUGGER(); return NULL; } diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c index d4c3e2754f516..5d1801dce2730 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c @@ -1864,6 +1864,7 @@ static struct clock_source *dcn30_clock_source_create( return &clk_src->base; } + kfree(clk_src); BREAK_TO_DEBUGGER(); return NULL; } diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c index ff50f43e4c000..da73e842c55c8 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c @@ -1660,8 +1660,8 @@ static struct clock_source *dcn31_clock_source_create( return &clk_src->base; } - BREAK_TO_DEBUGGER(); kfree(clk_src); + BREAK_TO_DEBUGGER(); return NULL; } @@ -1821,8 +1821,8 @@ static struct clock_source *dcn30_clock_source_create( return &clk_src->base; } - BREAK_TO_DEBUGGER(); kfree(clk_src); + BREAK_TO_DEBUGGER(); return NULL; } diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index 2df8a742516c8..28c4599076989 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c @@ -1716,6 +1716,7 @@ static struct clock_source *dcn35_clock_source_create( return &clk_src->base; } + kfree(clk_src); BREAK_TO_DEBUGGER(); return NULL; } diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c index ddf9560ab7722..b7bd0f36125a4 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c @@ -1696,6 +1696,7 @@ static struct clock_source *dcn35_clock_source_create( return &clk_src->base; } + kfree(clk_src); BREAK_TO_DEBUGGER(); return NULL; } -- 2.43.0
