[tip:perf/urgent] perf record: Use correct return type for write( )

[tip-bot for Adrian Hunter <tipbot@zytor.com>]

Commit-ID:  410f17860318f36b999a90138f50350e3dc49933
Gitweb:     http://git.kernel.org/tip/410f17860318f36b999a90138f50350e3dc49933
Author:     Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Fri, 8 Nov 2013 12:27:50 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 11 Nov 2013 15:56:40 -0300

perf record: Use correct return type for write()

write() returns a 'ssize_t' not an 'int'.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1383906470-21002-1-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-record.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index fc68b26..8f5af32 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -81,7 +81,7 @@ static int write_output(struct perf_record *rec, void *buf, size_t size)
 	struct perf_data_file *file = &rec->file;
 
 	while (size) {
-		int ret = write(file->fd, buf, size);
+		ssize_t ret = write(file->fd, buf, size);
 
 		if (ret < 0) {
 			pr_err("failed to write perf data, error: %m\n");