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tracepoints: use unregister return value

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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>
This commit is contained in:
Mathieu Desnoyers
2008-11-14 17:47:44 -05:00
committed by Ingo Molnar
parent da7b3eab16
commit c420970ef4
1 changed files with 6 additions and 4 deletions
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10
include/linux/tracepoint.h
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@@ -73,9 +73,9 @@ struct tracepoint {
return tracepoint_probe_register(#name ":" #proto, \ return tracepoint_probe_register(#name ":" #proto, \
(void *)probe); \ (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); \ (void *)probe); \
} }
@@ -92,8 +92,10 @@ extern void tracepoint_update_probe_range(struct tracepoint *begin,
{ \ { \
return -ENOSYS; \ 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, static inline void tracepoint_update_probe_range(struct tracepoint *begin,
struct tracepoint *end) struct tracepoint *end)