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authorgehao <gehao@kylinos.cn>2022-10-26 17:54:05 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-10-27 15:12:08 -0400
commitd232afb1f3417ae8194ccf19ad3a8360e70e104e (patch)
tree393c3897614d6119e7432fb720d58c4feb5dbd34
parent58ddbecb14c792b7fe0d92ae5e25c9179d62ff25 (diff)
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drm/amd/display: prevent memory leak
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@amd.com> Signed-off-by: gehao <gehao@kylinos.cn> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c2
2 files changed, 5 insertions, 0 deletions
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;
}