From: jsg <jsg@openbsd.org>
Date: Mon, 29 Jan 2024 01:44:25 +0000 (+0000)
Subject: gpu/drm/radeon: fix two memleaks in radeon_vm_init
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=f3a4ca4a9e5e8e842f3d1b99894d7cca60c2b47a;p=openbsd

gpu/drm/radeon: fix two memleaks in radeon_vm_init

From Zhipeng Lu
4c9a96dd6d4acaa18146f5b1de457fec1004628c in linux-6.6.y/6.6.14
c2709b2d6a537ca0fa0f1da36fdaf07e48ef447d in mainline linux
---

diff --git a/sys/dev/pci/drm/radeon/radeon_vm.c b/sys/dev/pci/drm/radeon/radeon_vm.c
index 13006f57752..5ffd331ddfb 100644
--- a/sys/dev/pci/drm/radeon/radeon_vm.c
+++ b/sys/dev/pci/drm/radeon/radeon_vm.c
@@ -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;
 	}