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From:   Masami Hiramatsu <mhiramat@kernel.org>
To:     Steven Rostedt <rostedt@goodmis.org>
Cc:     stable@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/4] tools/bootconfig: Fix to use correct quotes for value
Date:   Sat, 13 Jun 2020 00:23:26 +0900
Message-Id: <159197540663.80267.14460253938950080887.stgit@devnote2>
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Fix bootconfig tool to show the correctly choose the
double or single quotes according to the value.

If a bootconfig value includes a double quote character,
we must use single-quotes to quote that value.

Fixes: 950313ebf79c ("tools: bootconfig: Add bootconfig command")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 tools/bootconfig/main.c |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 0efaf45f7367..21896a6675fd 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -14,13 +14,18 @@
 #include <linux/kernel.h>
 #include <linux/bootconfig.h>
 
-static int xbc_show_array(struct xbc_node *node)
+static int xbc_show_value(struct xbc_node *node)
 {
 	const char *val;
+	char q;
 	int i = 0;
 
 	xbc_array_for_each_value(node, val) {
-		printf("\"%s\"%s", val, node->next ? ", " : ";\n");
+		if (strchr(val, '"'))
+			q = '\'';
+		else
+			q = '"';
+		printf("%c%s%c%s", q, val, q, node->next ? ", " : ";\n");
 		i++;
 	}
 	return i;
@@ -48,10 +53,7 @@ static void xbc_show_compact_tree(void)
 			continue;
 		} else if (cnode && xbc_node_is_value(cnode)) {
 			printf("%s = ", xbc_node_get_data(node));
-			if (cnode->next)
-				xbc_show_array(cnode);
-			else
-				printf("\"%s\";\n", xbc_node_get_data(cnode));
+			xbc_show_value(cnode);
 		} else {
 			printf("%s;\n", xbc_node_get_data(node));
 		}