[PATCH 1/2] trace_syscalls: return unhandled trace type on warn

From	Dmitry Safonov <0x7f454c46@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 1/2] trace_syscalls: return unhandled trace type on warn
Date	2015-11-20 13:10 +0100
Message-ID	<qwSFP-71A-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Having as an example print_syscall_exit(), return TRACE_TYPE_UNHANDLED
if entry type differs from syscall's metadata type.

Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.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 0655afbea83f59..b9d4c3cc60aeba 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -126,7 +126,7 @@ print_syscall_enter(struct trace_iterator *iter, int flags,
 
 	if (entry->enter_event->event.type != ent->type) {
 		WARN_ON_ONCE(1);
-		goto end;
+		return TRACE_TYPE_UNHANDLED;
 	}
 
 	trace_seq_printf(s, "%s(", entry->name);
-- 
2.6.2

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[PATCH 1/2] trace_syscalls: return unhandled trace type on warn Dmitry Safonov <0x7f454c46@gmail.com> - 2015-11-20 13:10 +0100

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