From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Date: Tue, 4 Oct 2011 10:45:04 +0000 (+0900)
Subject: perf probe: Fix to show correct error string
X-Git-Tag: v3.2-rc1~163^2~29^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44a56040a0037a845d5fa218dffde464579f0cab;p=pandora-kernel.git

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>
---

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