64 -0500
committer Ingo Molnar <mingo@elte.hu> 1226822493 +0100

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>