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lockdep: Fix missing entry in /proc/lock_stat

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One entry is missing in the output of /proc/lock_stat.

The cause is, when ls_start() is called the 2nd time, we should
start from stats[@pos-1] but not stats[@pos], because pos == 0
is the header.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <4A88ED15.20800@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan 2009-08-17 13:39:33 +08:00 committed by Ingo Molnar
parent 90629209a0
commit 212274347f
1 changed files with 1 additions and 1 deletions
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2
kernel/lockdep_proc.c
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@ -634,7 +634,7 @@ static void *ls_start(struct seq_file *m, loff_t *pos)
if (*pos == 0)
return SEQ_START_TOKEN;
data->iter = data->stats + *pos;
data->iter = data->stats + (*pos - 1);
if (data->iter >= data->iter_end)
data->iter = NULL;