Merge branch 'wm8974-upstream' into for-2.6.32

[firefly-linux-kernel-4.4.55.git] / tools / perf / builtin-report.c

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index de1b97845e9e8292491b821d1747dd6ef53a3de0..5eb5566f0c95426dd3f5c4c3cf196faf55080fbd 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1400,7 +1400,10 @@ static int __cmd_report(void)
                exit(0);
        }
 
-       read(input, &file_header, sizeof(file_header));
+       if (read(input, &file_header, sizeof(file_header)) == -1) {
+               perror("failed to read file headers");
+               exit(-1);
+       }
 
        if (sort__has_parent &&
            !(file_header.sample_type & PERF_SAMPLE_CALLCHAIN)) {