linux-kernel - [PATCH] kconfig: remove redundant check in expr_join

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Message-Id: <20240519133403.2121105-1-masahiroy@kernel.org>
Date: Sun, 19 May 2024 22:34:02 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: linux-kbuild@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH] kconfig: remove redundant check in expr_join_or()

The check for 'sym1 == sym2' is redundant here because it has already
been done a few lines above:

    if (sym1 != sym2)
            return NULL;

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 scripts/kconfig/expr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index a290de36307b..4d95fce5f9a7 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -476,7 +476,7 @@ static struct expr *expr_join_or(struct expr *e1, struct expr *e2)
 			return expr_alloc_comp(E_UNEQUAL, sym1, &symbol_yes);
 		}
 	}
-	if (sym1->type == S_BOOLEAN && sym1 == sym2) {
+	if (sym1->type == S_BOOLEAN) {
 		if ((e1->type == E_NOT && e1->left.expr->type == E_SYMBOL && e2->type == E_SYMBOL) ||
 		    (e2->type == E_NOT && e2->left.expr->type == E_SYMBOL && e1->type == E_SYMBOL))
 			return expr_alloc_symbol(&symbol_yes);
-- 
2.40.1