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authorDan Carpenter <dan.carpenter@linaro.org>2024-01-05 15:20:35 +0300
committerMatthew Brost <matthew.brost@intel.com>2024-01-10 18:27:54 -0800
commit88ec23528b32ddb9ce2e8492f2629b0056353697 (patch)
tree2477d9f9b3cef6b0257eff8d10d8c9fe2f9fd329
parentc10da95afa68060e13c5f920d96671943a7e54d9 (diff)
drm/xe/selftests: Fix an error pointer dereference bug
Check if "bo" is an error pointer before calling xe_bo_lock() on it. Fixes: d6abc18d6693 ("drm/xe/xe2: Modify xe_bo_test for system memory") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com>
-rw-r--r--drivers/gpu/drm/xe/tests/xe_bo.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/tests/xe_bo.c b/drivers/gpu/drm/xe/tests/xe_bo.c
index 412b2e7ce40c..3436fd9cf2b2 100644
--- a/drivers/gpu/drm/xe/tests/xe_bo.c
+++ b/drivers/gpu/drm/xe/tests/xe_bo.c
@@ -125,14 +125,13 @@ static void ccs_test_run_tile(struct xe_device *xe, struct xe_tile *tile,
bo = xe_bo_create_user(xe, NULL, NULL, SZ_1M, DRM_XE_GEM_CPU_CACHING_WC,
ttm_bo_type_device, bo_flags);
-
- xe_bo_lock(bo, false);
-
if (IS_ERR(bo)) {
KUNIT_FAIL(test, "Failed to create bo.\n");
return;
}
+ xe_bo_lock(bo, false);
+
kunit_info(test, "Verifying that CCS data is cleared on creation.\n");
ret = ccs_test_migrate(tile, bo, false, 0ULL, 0xdeadbeefdeadbeefULL,
test);