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vkd3d-shader/dxil: Check null pointer before it is dereferenced (Coverity).

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This commit is contained in:
Fabian Maurer 2023-12-10 19:58:37 +01:00 committed by Alexandre Julliard
parent af86cdf713
commit 9cb4372378
Notes: Alexandre Julliard 2023-12-11 23:20:59 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Conor McCarthy (@cmccarthy)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/517
1 changed files with 6 additions and 2 deletions
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8
libs/vkd3d-shader/dxil.c
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@ -3202,8 +3202,10 @@ static void sm6_parser_emit_binop(struct sm6_parser *sm6, const struct dxil_reco
unsigned int i = 0;
a = sm6_parser_get_value_by_ref(sm6, record, NULL, &i);
if (!a)
return;
b = sm6_parser_get_value_by_ref(sm6, record, a->type, &i);
if (!a || !b)
if (!b)
return;
if (!dxil_record_validate_operand_count(record, i + 1, i + 2, sm6))
@ -3994,8 +3996,10 @@ static void sm6_parser_emit_cmp2(struct sm6_parser *sm6, const struct dxil_recor
}
a = sm6_parser_get_value_by_ref(sm6, record, NULL, &i);
if (!a)
return;
b = sm6_parser_get_value_by_ref(sm6, record, a->type, &i);
if (!a || !b)
if (!b)
return;
if (!dxil_record_validate_operand_count(record, i + 1, i + 2, sm6))