From a6ced2be06c302402c52dedba97d169d22cce99c Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 19 May 2015 16:05:44 +0300 Subject: perf tools: Fix parse_events_error dereferences Parse errors can be reported in struct parse_events_error but the pointer passed is optional and can be NULL. Ensure it is not NULL before dereferencing it. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Link: http://lkml.kernel.org/r/1432040746-1755-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/parse-events.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools/perf/util/parse-events.c') diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 78032d887c1a..2a4d1ec02846 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1659,6 +1659,8 @@ void parse_events_evlist_error(struct parse_events_evlist *data, { struct parse_events_error *err = data->error; + if (!err) + return; err->idx = idx; err->str = strdup(str); WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); -- cgit v1.2.3