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drm/xe/selftests: Fix an error pointer dereference bug

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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>
(cherry picked from commit 88ec23528b32ddb9ce2e8492f2629b0056353697)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This commit is contained in:
Dan Carpenter 2024-01-05 15:20:35 +03:00 committed by Thomas Hellström
parent ffd915e41a
commit 616576df35
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/xe/tests/xe_bo.c
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@ -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);