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perf_event: Fix __dsos__write_buildid_table()

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The remain buff size is 'len - pos->long_name_len - 1', not
'len - pos->long_name_len + 1'

This bug was introduced by commit 7691b1e ("perf tools: Misc small
fixes").

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4B1C7F73.80707@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Xiao Guangrong 2009-12-07 12:07:15 +08:00 committed by Ingo Molnar
parent d8bd9e0aed
commit d9541ed324
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/header.c
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@ -209,7 +209,7 @@ static int __dsos__write_buildid_table(struct list_head *head, int fd)
err = do_write(fd, pos->long_name, pos->long_name_len + 1);
if (err < 0)
return err;
err = do_write(fd, zero_buf, len - pos->long_name_len + 1);
err = do_write(fd, zero_buf, len - pos->long_name_len - 1);
if (err < 0)
return err;
}