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-rw-r--r--scripts/dtc/dtc-parser.y4
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y
index 40dcf4f149da..a0316a3cc309 100644
--- a/scripts/dtc/dtc-parser.y
+++ b/scripts/dtc/dtc-parser.y
@@ -476,8 +476,8 @@ integer_rela:
;
integer_shift:
- integer_shift DT_LSHIFT integer_add { $$ = $1 << $3; }
- | integer_shift DT_RSHIFT integer_add { $$ = $1 >> $3; }
+ integer_shift DT_LSHIFT integer_add { $$ = ($3 < 64) ? ($1 << $3) : 0; }
+ | integer_shift DT_RSHIFT integer_add { $$ = ($3 < 64) ? ($1 >> $3) : 0; }
| integer_add
;