diff options
-rw-r--r-- | scripts/kconfig/expr.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c index ed29bad1f03a..96420b620963 100644 --- a/scripts/kconfig/expr.c +++ b/scripts/kconfig/expr.c @@ -201,6 +201,13 @@ static int expr_eq(struct expr *e1, struct expr *e2) { int res, old_count; + /* + * A NULL expr is taken to be yes, but there's also a different way to + * represent yes. expr_is_yes() checks for either representation. + */ + if (!e1 || !e2) + return expr_is_yes(e1) && expr_is_yes(e2); + if (e1->type != e2->type) return 0; switch (e1->type) { |