tree 8a1f3397210cc2e8ebb223f7a2bd1fec642a6246
parent 02ca1521ad404cf566e0075848f80d064c0a0503
author Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> 1317725104 +0900
committer Steven Rostedt <rostedt@goodmis.org> 1318274003 -0400

perf probe: Fix to show correct error string

Fix perf probe to show correct error string when it
fails to delete an event. The write(2) returns -1
if failed, and errno stores real error number.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: stable@kernel.org
Link: http://lkml.kernel.org/r/20111004104504.14591.41266.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>