linux-kernel - [PATCH] tools/bootconfig: Simplify expression

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Message-Id: <20210414134647.1870-1-zuoqilin1@163.com>
Date:   Wed, 14 Apr 2021 21:46:47 +0800
From:   zuoqilin1@....com
To:     mhiramat@...nel.org
Cc:     linux-kernel@...r.kernel.org, zuoqilin <zuoqilin@...ong.com>
Subject: [PATCH] tools/bootconfig: Simplify expression

From: zuoqilin <zuoqilin@...ong.com>

It is not necessary to define the variable ret to receive
the return value of the xbc_node_compose_key() method.

Signed-off-by: zuoqilin <zuoqilin@...ong.com>
---
 tools/bootconfig/main.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 7362bef..5fb309b 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -84,11 +84,9 @@ static void xbc_show_list(void)
 	char key[XBC_KEYLEN_MAX];
 	struct xbc_node *leaf;
 	const char *val;
-	int ret = 0;
 
 	xbc_for_each_key_value(leaf, val) {
-		ret = xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX);
-		if (ret < 0)
+		if (xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX) < 0)
 			break;
 		printf("%s = ", key);
 		if (!val || val[0] == '\0') {
-- 
1.9.1