Commit-ID: d56728b8d7fb3e1e5e5f97b88fdf6b43a35b4f5e
Gitweb: http://git.kernel.org/tip/d56728b8d7fb3e1e5e5f97b88fdf6b43a35b4f5e
Author: Juha Leppanen <juha_motorsportcom@xxxxxxxxxx>
AuthorDate: Mon, 7 Dec 2009 12:00:40 -0500
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 7 Dec 2009 18:33:20 +0100
perf probe: Fix strtailcmp() to compare s1and s2[0]
Fix strtailcmp() to compare s1[0] and s2[0]. strtailcmp() returns 0
if "a" and "b" or "a" and "ab", it's a wrong behavior. This patch
fixes it.
Signed-off-by: "Juha Leppanen" <juha_motorsportcom@xxxxxxxxxx>
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: systemtap <systemtap@xxxxxxxxxxxxxxxxxx>
Cc: DLE <dle-develop@xxxxxxxxxxxxxxxxxxxxx>
Cc: Juha Leppanen <juha_motorsportcom@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
LKML-Reference: <20091207170040.19230.37464.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
tools/perf/util/probe-finder.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 293cdfc..4585f1d 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -106,7 +106,7 @@ static int strtailcmp(const char *s1, const char *s2)
{
int i1 = strlen(s1);
int i2 = strlen(s2);
- while (--i1 > 0 && --i2 > 0) {
+ while (--i1 >= 0 && --i2 >= 0) {
if (s1[i1] != s2[i2])
return s1[i1] - s2[i2];
}
--
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