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-rw-r--r--tools/perf/util/parse-events.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index dc585a835cab..609d5a9470c5 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -753,11 +753,11 @@ modifier:
753 return ret; 753 return ret;
754} 754}
755 755
756static void store_event_type(const char *orgname) 756static int store_event_type(const char *orgname)
757{ 757{
758 char filename[PATH_MAX], *c; 758 char filename[PATH_MAX], *c;
759 FILE *file; 759 FILE *file;
760 int id; 760 int id, n;
761 761
762 sprintf(filename, "%s/", debugfs_path); 762 sprintf(filename, "%s/", debugfs_path);
763 strncat(filename, orgname, strlen(orgname)); 763 strncat(filename, orgname, strlen(orgname));
@@ -769,11 +769,14 @@ static void store_event_type(const char *orgname)
769 769
770 file = fopen(filename, "r"); 770 file = fopen(filename, "r");
771 if (!file) 771 if (!file)
772 return; 772 return 0;
773 if (fscanf(file, "%i", &id) < 1) 773 n = fscanf(file, "%i", &id);
774 die("cannot store event ID");
775 fclose(file); 774 fclose(file);
776 perf_header__push_event(id, orgname); 775 if (n < 1) {
776 pr_err("cannot store event ID\n");
777 return -EINVAL;
778 }
779 return perf_header__push_event(id, orgname);
777} 780}
778 781
779int parse_events(const struct option *opt __used, const char *str, int unset __used) 782int parse_events(const struct option *opt __used, const char *str, int unset __used)
@@ -782,7 +785,8 @@ int parse_events(const struct option *opt __used, const char *str, int unset __u
782 enum event_result ret; 785 enum event_result ret;
783 786
784 if (strchr(str, ':')) 787 if (strchr(str, ':'))
785 store_event_type(str); 788 if (store_event_type(str) < 0)
789 return -1;
786 790
787 for (;;) { 791 for (;;) {
788 if (nr_counters == MAX_COUNTERS) 792 if (nr_counters == MAX_COUNTERS)