diff options
Diffstat (limited to 'tools')
-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 01cc07efb728..27921a8ce1a9 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) | |||
239 | /* | 239 | /* |
240 | * Wait until the parent tells us to go. | 240 | * Wait until the parent tells us to go. |
241 | */ | 241 | */ |
242 | read(go_pipe[0], &buf, 1); | 242 | if (read(go_pipe[0], &buf, 1) == -1) |
243 | perror("unable to read pipe"); | ||
243 | 244 | ||
244 | execvp(argv[0], (char **)argv); | 245 | execvp(argv[0], (char **)argv); |
245 | 246 | ||
@@ -252,7 +253,8 @@ static int run_perf_stat(int argc __used, const char **argv) | |||
252 | */ | 253 | */ |
253 | close(child_ready_pipe[1]); | 254 | close(child_ready_pipe[1]); |
254 | close(go_pipe[0]); | 255 | close(go_pipe[0]); |
255 | read(child_ready_pipe[0], &buf, 1); | 256 | if (read(child_ready_pipe[0], &buf, 1) == -1) |
257 | perror("unable to read pipe"); | ||
256 | close(child_ready_pipe[0]); | 258 | close(child_ready_pipe[0]); |
257 | 259 | ||
258 | for (counter = 0; counter < nr_counters; counter++) | 260 | for (counter = 0; counter < nr_counters; counter++) |