From: Evgeny Budilovsky <budevg@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andreas Dilger <andreas.dilger@intel.com>,
Oleg Drokin <green@linuxhacker.ru>, Peng Tao <bergwolf@gmail.com>,
Lai Siyao <lai.siyao@intel.com>,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] staging/lustre: use rcu_dereference to access rcu protected current->real_parent field
Date: Wed, 6 Aug 2014 21:22:43 +0300 [thread overview]
Message-ID: <87k36ltoob.fsf@gmail.com> (raw)
Signed-off-by: Evgeny Budilovsky <budevg@gmail.com>
---
drivers/staging/lustre/lustre/llite/lproc_llite.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index 77f68b5..7e61468 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -910,7 +910,8 @@ void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, int count)
sbi->ll_stats_track_id == current->pid)
lprocfs_counter_add(sbi->ll_stats, op, count);
else if (sbi->ll_stats_track_type == STATS_TRACK_PPID &&
- sbi->ll_stats_track_id == current->real_parent->pid)
+ sbi->ll_stats_track_id ==
+ rcu_dereference(current->real_parent)->pid)
lprocfs_counter_add(sbi->ll_stats, op, count);
else if (sbi->ll_stats_track_type == STATS_TRACK_GID &&
sbi->ll_stats_track_id ==
--
1.8.1.2
next reply other threads:[~2014-08-06 19:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-06 18:22 Evgeny Budilovsky [this message]
2014-08-06 21:42 ` [PATCH] staging/lustre: use rcu_dereference to access rcu protected current->real_parent field Greg Kroah-Hartman
2014-08-07 11:13 ` Evgeny Budilovsky
2014-08-08 3:49 ` Greg Kroah-Hartman
2014-08-08 4:03 ` Oleg Drokin
2014-08-08 4:42 ` Greg Kroah-Hartman
2014-08-08 5:06 ` Oleg Drokin
2014-08-08 5:32 ` Greg Kroah-Hartman
2014-08-09 11:05 ` Peng Tao
2014-08-09 14:04 ` Greg Kroah-Hartman
2014-08-09 14:34 ` Oleg Drokin
2014-08-09 15:47 ` Greg Kroah-Hartman
2014-08-12 1:44 ` Oleg Drokin
2014-08-12 2:39 ` Greg Kroah-Hartman
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