From: Gautam Menghani <gautammenghani201@gmail.com>
Date: Sun, 22 May 2022 06:18:26 +0000 (-0700)
Subject: tracing: Initialize integer variable to prevent garbage return value
X-Git-Tag: v6.1-rc5~1217^2~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=154827f8e53d8c492b3fb0cb757fbcadb5d516b5;p=platform%2Fkernel%2Flinux-starfive.git

tracing: Initialize integer variable to prevent garbage return value

Initialize the integer variable to 0 to fix the clang scan warning:
Undefined or garbage value returned to caller
[core.uninitialized.UndefReturn]
        return ret;

Link: https://lkml.kernel.org/r/20220522061826.1751-1-gautammenghani201@gmail.com

Cc: stable@vger.kernel.org
Fixes: 8993665abcce ("tracing/boot: Support multiple handlers for per-event histogram")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---

diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 0580287..778200d 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -300,7 +300,7 @@ trace_boot_hist_add_handlers(struct xbc_node *hnode, char **bufp,
 {
 	struct xbc_node *node;
 	const char *p, *handler;
-	int ret;
+	int ret = 0;
 
 	handler = xbc_node_get_data(hnode);