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-rw-r--r--scripts/dtc/dtc-parser.y20
1 files changed, 18 insertions, 2 deletions
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y
index 5a897e36562d..000873f070fd 100644
--- a/scripts/dtc/dtc-parser.y
+++ b/scripts/dtc/dtc-parser.y
@@ -410,8 +410,24 @@ integer_add:
integer_mul:
integer_mul '*' integer_unary { $$ = $1 * $3; }
- | integer_mul '/' integer_unary { $$ = $1 / $3; }
- | integer_mul '%' integer_unary { $$ = $1 % $3; }
+ | integer_mul '/' integer_unary
+ {
+ if ($3 != 0) {
+ $$ = $1 / $3;
+ } else {
+ ERROR(&@$, "Division by zero");
+ $$ = 0;
+ }
+ }
+ | integer_mul '%' integer_unary
+ {
+ if ($3 != 0) {
+ $$ = $1 % $3;
+ } else {
+ ERROR(&@$, "Division by zero");
+ $$ = 0;
+ }
+ }
| integer_unary
;