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| author | Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> | 2008-11-14 17:47:44 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-16 09:01:33 +0100 |
| commit | c420970ef476d7d68df119711700666224001f43 (patch) | |
| tree | c10ebb11a03199f99d779472037bd49129b43abb | |
| parent | da7b3eab167091693ad215ad7692f7d0d24d1356 (diff) | |
| download | linux-3.10-c420970ef476d7d68df119711700666224001f43.tar.gz linux-3.10-c420970ef476d7d68df119711700666224001f43.tar.bz2 linux-3.10-c420970ef476d7d68df119711700666224001f43.zip | |
tracepoints: use unregister return value
Impact: bugfix.
Unregistering a tracepoint can fail. Return the error value.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | include/linux/tracepoint.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 69648c54a32..c60a791f887 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -73,9 +73,9 @@ struct tracepoint { return tracepoint_probe_register(#name ":" #proto, \ (void *)probe); \ } \ - static inline void unregister_trace_##name(void (*probe)(proto))\ + static inline int unregister_trace_##name(void (*probe)(proto)) \ { \ - tracepoint_probe_unregister(#name ":" #proto, \ + return tracepoint_probe_unregister(#name ":" #proto, \ (void *)probe); \ } @@ -92,8 +92,10 @@ extern void tracepoint_update_probe_range(struct tracepoint *begin, { \ return -ENOSYS; \ } \ - static inline void unregister_trace_##name(void (*probe)(proto))\ - { } + static inline int unregister_trace_##name(void (*probe)(proto)) \ + { \ + return -ENOSYS; \ + } static inline void tracepoint_update_probe_range(struct tracepoint *begin, struct tracepoint *end) |