diff options
| -rw-r--r-- | tools/perf/builtin-stat.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 01cc07efb72..27921a8ce1a 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -239,7 +239,8 @@ static int run_perf_stat(int argc __used, const char **argv) /* * Wait until the parent tells us to go. */ - read(go_pipe[0], &buf, 1); + if (read(go_pipe[0], &buf, 1) == -1) + perror("unable to read pipe"); execvp(argv[0], (char **)argv); @@ -252,7 +253,8 @@ static int run_perf_stat(int argc __used, const char **argv) */ close(child_ready_pipe[1]); close(go_pipe[0]); - read(child_ready_pipe[0], &buf, 1); + if (read(child_ready_pipe[0], &buf, 1) == -1) + perror("unable to read pipe"); close(child_ready_pipe[0]); for (counter = 0; counter < nr_counters; counter++) |