[tip:perf/urgent] perf target: Fix check on buffer size

[tip-bot for Namhyung Kim]

Commit-ID:  0ecf4f0c02b7802de5d1251e03e6eab360f158e1
Gitweb:     http://git.kernel.org/tip/0ecf4f0c02b7802de5d1251e03e6eab360f158e1
Author:     Namhyung Kim <namhyung.kim@xxxxxxx>
AuthorDate: Thu, 26 Jul 2012 10:50:10 +0900
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 1 Aug 2012 18:42:54 -0300

perf target: Fix check on buffer size

It was a mistake just replace assert to BUG_ON since its condition
should be negated. Fix it.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Ulrich Drepper <drepper@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1343267410-7758-1-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/target.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c
index 3f59c49..051eaa6 100644
--- a/tools/perf/util/target.c
+++ b/tools/perf/util/target.c
@@ -110,7 +110,7 @@ int perf_target__strerror(struct perf_target *target, int errnum,
 	int idx;
 	const char *msg;
 
-	BUG_ON(buflen > 0);
+	BUG_ON(buflen == 0);
 
 	if (errnum >= 0) {
 		const char *err = strerror_r(errnum, buf, buflen);
--
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