linux-kernel - [PATCH] Silence an uninitialized variable warning

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Date:   Tue, 26 Nov 2019 15:19:34 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] Silence an uninitialized variable warning

Smatch complains that "ret" could be uninitialized if we don't enter the
loop.  I don't know if that's possible, but it's nicer to return a
literal zero instead.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 kernel/trace/trace_syscalls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 73140d80dd46..63528f458826 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -286,7 +286,7 @@ static int __init syscall_enter_define_fields(struct trace_event_call *call)
 		offset += sizeof(unsigned long);
 	}
 
-	return ret;
+	return 0;
 }
 
 static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
-- 
2.11.0