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drm/i915/selftests: Markup impossible error pointers 

If we create a new live_context() we should have a mapping for each
engine. Document that assumption with an assertion.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190827094933.13778-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-08-27 10:49:33 +01:00
parent ebfdf5cd80
commit 21b0c32bda
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
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@ -397,6 +397,7 @@ static int igt_ctx_exec(void *arg)
}
ce = i915_gem_context_get_engine(ctx, engine->legacy_idx);
GEM_BUG_ON(IS_ERR(ce));
if (!obj) {
obj = create_test_object(ce->vm, file, &objects);
@ -521,6 +522,8 @@ static int igt_shared_ctx_exec(void *arg)
__assign_ppgtt(ctx, parent->vm);
ce = i915_gem_context_get_engine(ctx, engine->legacy_idx);
GEM_BUG_ON(IS_ERR(ce));
if (!obj) {
obj = create_test_object(parent->vm, file, &objects);
if (IS_ERR(obj)) {