This is a note to let you know that I've just added the patch titled drm/amd/display: prevent memory leak to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-prevent-memory-leak.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit eb58d50113ceca826cafe8be9e426f48a546116d Author: gehao <gehao@xxxxxxxxxx> Date: Wed Oct 26 17:54:05 2022 +0800 drm/amd/display: prevent memory leak [ Upstream commit d232afb1f3417ae8194ccf19ad3a8360e70e104e ] In dce6(0,1,4)_create_resource_pool and dce80_create_resource_pool the allocated memory should be released if construct pool fails. Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> Signed-off-by: gehao <gehao@xxxxxxxxxx> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c index 5a5a9cb77acb..bcdd8a958fc0 100644 --- a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c @@ -1132,6 +1132,7 @@ struct resource_pool *dce60_create_resource_pool( if (dce60_construct(num_virtual_links, dc, pool)) return &pool->base; + kfree(pool); BREAK_TO_DEBUGGER(); return NULL; } @@ -1329,6 +1330,7 @@ struct resource_pool *dce61_create_resource_pool( if (dce61_construct(num_virtual_links, dc, pool)) return &pool->base; + kfree(pool); BREAK_TO_DEBUGGER(); return NULL; } @@ -1522,6 +1524,7 @@ struct resource_pool *dce64_create_resource_pool( if (dce64_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/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c index a19be9de2df7..2eefa07762ae 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c @@ -1141,6 +1141,7 @@ struct resource_pool *dce80_create_resource_pool( if (dce80_construct(num_virtual_links, dc, pool)) return &pool->base; + kfree(pool); BREAK_TO_DEBUGGER(); return NULL; } @@ -1338,6 +1339,7 @@ struct resource_pool *dce81_create_resource_pool( if (dce81_construct(num_virtual_links, dc, pool)) return &pool->base; + kfree(pool); BREAK_TO_DEBUGGER(); return NULL; }