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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-08-23 16:37:00 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-08-23 11:29:20 -0300 |
| commit | f63fe79fa0b1362e8ea1c1e4996cf70d14917b02 (patch) | |
| tree | 2976fe65a2486377f268d7d9a212fad70e49e78c /tools/lib | |
| parent | e1aa7c30c599e99b4544f9e5b4c275c8a5325bdc (diff) | |
| download | lwn-f63fe79fa0b1362e8ea1c1e4996cf70d14917b02.tar.gz lwn-f63fe79fa0b1362e8ea1c1e4996cf70d14917b02.zip | |
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')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index f978c59f67bf..b5b4d806ffa2 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) { |