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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-20 10:32:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-20 10:32:33 -0700 |
| commit | 200bde278d78318cbd10cd865f94016924e76c56 (patch) | |
| tree | c90dc9b383ec777b304a1a34e931a741e807fe48 /tools/perf/util/data.c | |
| parent | 404ca80eb5c2727d78cd517d12108b040c522e12 (diff) | |
| parent | fd741edc25600e1660abd00b5c1bbe967018c6a0 (diff) | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tooling fixes from Ingo Molnar:
"Three small tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf tools: Improve error reporting
perf tools: Adjust symbols in VDSO
perf kvm: Fix 'Min time' counting in report command
Diffstat (limited to 'tools/perf/util/data.c')
| -rw-r--r-- | tools/perf/util/data.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index 1fbcd8bdc11b..55de44ecebef 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -86,10 +86,17 @@ static int open_file_read(struct perf_data_file *file) static int open_file_write(struct perf_data_file *file) { + int fd; + if (check_backup(file)) return -1; - return open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR); + fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR); + + if (fd < 0) + pr_err("failed to open %s : %s\n", file->path, strerror(errno)); + + return fd; } static int open_file(struct perf_data_file *file) |