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tracepoints: use unregister return value

Browse source 
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
View file

@ -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)