[PATCH AUTOSEL 6.1 13/85] drm/amd/display: prevent memory leak

[Sasha Levin]

From: gehao <gehao at kylinos.cn>

[ 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 at amd.com>
Signed-off-by: gehao <gehao at kylinos.cn>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c | 3 +++
 drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c | 2 ++
 2 files changed, 5 insertions(+)

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 fc6aa098bda0..8db9f7514466 100644
--- a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
@@ -1128,6 +1128,7 @@ 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;
 }
@@ -1325,6 +1326,7 @@ 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;
 }
@@ -1518,6 +1520,7 @@ 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 b28025960050..5825e6f412bd 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -1137,6 +1137,7 @@ 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;
 }
@@ -1336,6 +1337,7 @@ 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;
 }
-- 
2.35.1