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| author | Tom Zanussi <zanussi@kernel.org> | 2020-02-10 17:06:48 -0600 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-02-10 21:58:19 -0500 |
| commit | d090409abbdd1fcbdfd6ed66612390ba8c814749 (patch) | |
| tree | ba590fed50e2fc5f496d7b4f9f46bc2156fb24b2 /kernel/trace | |
| parent | 973780011106c534d69c4d25fe0749bd3a5f0b53 (diff) | |
| download | linux-d090409abbdd1fcbdfd6ed66612390ba8c814749.tar.gz linux-d090409abbdd1fcbdfd6ed66612390ba8c814749.tar.bz2 linux-d090409abbdd1fcbdfd6ed66612390ba8c814749.zip | |
tracing: Add missing nest end to synth_event_trace_start() error case
If the ring_buffer reserve in synth_event_trace_start() fails, the
matching ring_buffer_nest_end() should be called in the error code,
since nothing else will ever call it in this case.
Link: http://lkml.kernel.org/r/20abc444b3eeff76425f895815380abe7aa53ff8.1581374549.git.zanussi@kernel.org
Fixes: 8dcc53ad956d2 ("tracing: Add synth_event_trace() and related functions")
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index b3bcfd8c7332..a546ffa14785 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -2043,6 +2043,7 @@ int synth_event_trace_start(struct trace_event_file *file, entry = trace_event_buffer_reserve(&trace_state->fbuffer, file, sizeof(*entry) + fields_size); if (!entry) { + ring_buffer_nest_end(trace_state->buffer); ret = -EINVAL; goto out; } |