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authorNamhyung Kim <namhyung.kim@lge.com>2012-08-23 16:37:00 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-08-23 11:29:20 -0300
commitf63fe79fa0b1362e8ea1c1e4996cf70d14917b02 (patch)
tree2976fe65a2486377f268d7d9a212fad70e49e78c /tools/lib/traceevent
parente1aa7c30c599e99b4544f9e5b4c275c8a5325bdc (diff)
downloadvexpress-lsk-f63fe79fa0b1362e8ea1c1e4996cf70d14917b02.tar.gz
tools lib traceevent: Fix off-by-one bug in pevent_strerror()
As pevent_errno is defined using PEVENT_ERRORS which uses _PE macro magic, the first errno is bigger than __PEVENT_ERRNO_START by 1. So we need to subtract the 1 also when calculating the index of the error strings. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1345707420-21767-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent')
-rw-r--r--tools/lib/traceevent/event-parse.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index f978c59f67b..b5b4d806ffa 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -4822,7 +4822,7 @@ int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum,
errnum >= __PEVENT_ERRNO__END)
return -1;
- idx = errnum - __PEVENT_ERRNO__START;
+ idx = errnum - __PEVENT_ERRNO__START - 1;
msg = pevent_error_str[idx];
switch (errnum) {