linux-kernel - [PATCH] ftrace: set direct_ops storage-class-specifier to static

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Message-Id: <20230311135113.711824-1-trix@redhat.com>
Date:   Sat, 11 Mar 2023 08:51:13 -0500
From:   Tom Rix <trix@...hat.com>
To:     rostedt@...dmis.org, mhiramat@...nel.org, mark.rutland@....com
Cc:     linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] ftrace: set direct_ops storage-class-specifier to static

smatch reports this warning
kernel/trace/ftrace.c:2594:19: warning:
  symbol 'direct_ops' was not declared. Should it be static?

The variable direct_ops is only used in ftrace.c, so it should be static

Signed-off-by: Tom Rix <trix@...hat.com>
---
 kernel/trace/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 29baa97d0d53..05f76dc1f0c5 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2591,7 +2591,7 @@ static void call_direct_funcs(unsigned long ip, unsigned long pip,
 	arch_ftrace_set_direct_caller(fregs, addr);
 }
 
-struct ftrace_ops direct_ops = {
+static struct ftrace_ops direct_ops = {
 	.func		= call_direct_funcs,
 	.flags		= FTRACE_OPS_FL_DIRECT | FTRACE_OPS_FL_SAVE_REGS
 			  | FTRACE_OPS_FL_PERMANENT,
-- 
2.27.0