diff options
Diffstat (limited to 'tools/perf/util/target.c')
| -rw-r--r-- | tools/perf/util/target.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index 1064d5b148ad..051eaa68095e 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -110,8 +110,17 @@ int perf_target__strerror(struct perf_target *target, int errnum, int idx; const char *msg; + BUG_ON(buflen == 0); + if (errnum >= 0) { - strerror_r(errnum, buf, buflen); + const char *err = strerror_r(errnum, buf, buflen); + + if (err != buf) { + size_t len = strlen(err); + char *c = mempcpy(buf, err, min(buflen - 1, len)); + *c = '\0'; + } + return 0; } |