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gpu/drm/radeon: fix two memleaks in radeon_vm_init

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[ Upstream commit c2709b2d6a537ca0fa0f1da36fdaf07e48ef447d ]

When radeon_bo_create and radeon_vm_clear_bo fail, the vm->page_tables
allocated before need to be freed. However, neither radeon_vm_init
itself nor its caller have done such deallocation.

Fixes: 6d2f2944e9 ("drm/radeon: use normal BOs for the page tables v4")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhipeng Lu 2023-12-15 00:58:42 +08:00 committed by Greg Kroah-Hartman
parent 35fa2394d2
commit 4e26e2d485
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/radeon/radeon_vm.c
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@ -1204,13 +1204,17 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
r = radeon_bo_create(rdev, pd_size, align, true,
RADEON_GEM_DOMAIN_VRAM, 0, NULL,
NULL, &vm->page_directory);
if (r)
if (r) {
kfree(vm->page_tables);
vm->page_tables = NULL;
return r;
}
r = radeon_vm_clear_bo(rdev, vm->page_directory);
if (r) {
radeon_bo_unref(&vm->page_directory);
vm->page_directory = NULL;
kfree(vm->page_tables);
vm->page_tables = NULL;
return r;
}