Commit-ID: 29f93943d1916d1a3faa3f10f4a06994347ac990
Gitweb: http://git.kernel.org/tip/29f93943d1916d1a3faa3f10f4a06994347ac990
Author: Steven Rostedt <srostedt@xxxxxxxxxx>
AuthorDate: Fri, 8 May 2009 16:06:47 -0400
Committer: Steven Rostedt <rostedt@xxxxxxxxxxx>
CommitDate: Fri, 8 May 2009 16:06:47 -0400
tracing: initialize return value for __ftrace_set_clr_event
Commit 8f31bfe538ebafac187d2d4465a92e1d9ee6d8c2
tracing/events: clean up for ftrace_set_clr_event()
Moved out the code for ftrace_set_clr_event into a helper funciton but
did not initialize the return value. As a result, we do not warn about
a typo in the echoing of events in set_event.
This patch restores the old warning:
# echo foobar > set_event
-bash: echo: write error: Invalid argument
[ Impact: restore warning of invalid entries to set_event ]
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
kernel/trace/trace_events.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index df394bc..2eecb87 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -118,7 +118,7 @@ static int __ftrace_set_clr_event(const char *match, const char *sub,
const char *event, int set)
{
struct ftrace_event_call *call;
- int ret;
+ int ret = -EINVAL;
mutex_lock(&event_mutex);
list_for_each_entry(call, &ftrace_events, list) {
--
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