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authorJuha Leppanen <juha_motorsportcom@luukku.com>2009-12-07 12:00:40 -0500
committerIngo Molnar <mingo@elte.hu>2009-12-07 12:33:20 -0500
commitd56728b8d7fb3e1e5e5f97b88fdf6b43a35b4f5e (patch)
tree3188acba441b24355f15eb23d8d167806b164085 /tools
parentd32ba45503acf9c23b301eba2397ca2ee322627b (diff)
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@luukku.com> Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: systemtap <systemtap@sources.redhat.com> Cc: DLE <dle-develop@lists.sourceforge.net> Cc: Juha Leppanen <juha_motorsportcom@luukku.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20091207170040.19230.37464.stgit@dhcp-100-2-132.bos.redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/probe-finder.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 293cdfc1b8ca..4585f1d86792 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)
106{ 106{
107 int i1 = strlen(s1); 107 int i1 = strlen(s1);
108 int i2 = strlen(s2); 108 int i2 = strlen(s2);
109 while (--i1 > 0 && --i2 > 0) { 109 while (--i1 >= 0 && --i2 >= 0) {
110 if (s1[i1] != s2[i2]) 110 if (s1[i1] != s2[i2])
111 return s1[i1] - s2[i2]; 111 return s1[i1] - s2[i2];
112 } 112 }