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-rw-r--r--tools/perf/builtin-record.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 798a56d890e..d18546f37d7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -448,7 +448,10 @@ try_again:
}
}
- read(fd[nr_cpu][counter], &read_data, sizeof(read_data));
+ if (read(fd[nr_cpu][counter], &read_data, sizeof(read_data)) == -1) {
+ perror("Unable to read perf file descriptor\n");
+ exit(-1);
+ }
perf_header_attr__add_id(h_attr, read_data.id);