linux-kernel - [PATCH 4/4] bootconfig: Show the number of nodes on boot message

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Date:   Wed,  5 Feb 2020 22:50:23 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Tom Zanussi <zanussi@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH 4/4] bootconfig: Show the number of nodes on boot message

Show the number of bootconfig nodes on boot message.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 init/main.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/init/main.c b/init/main.c
index 2de2f9f7aab9..491f1cdb3105 100644
--- a/init/main.c
+++ b/init/main.c
@@ -342,6 +342,7 @@ static void __init setup_boot_config(const char *cmdline)
 	char *data, *copy;
 	const char *p;
 	u32 *hdr;
+	int ret;
 
 	p = strstr(cmdline, "bootconfig");
 	if (!p || (p != cmdline && !isspace(*(p-1))) ||
@@ -379,10 +380,11 @@ static void __init setup_boot_config(const char *cmdline)
 	memcpy(copy, data, size);
 	copy[size] = '\0';
 
-	if (xbc_init(copy) < 0)
+	ret = xbc_init(copy);
+	if (ret < 0)
 		pr_err("Failed to parse bootconfig\n");
 	else {
-		pr_info("Load bootconfig: %d bytes\n", size);
+		pr_info("Load bootconfig: %d bytes %d nodes\n", size, ret);
 		/* keys starting with "kernel." are passed via cmdline */
 		extra_command_line = xbc_make_cmdline("kernel");
 		/* Also, "init." keys are init arguments */