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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2009-07-06 04:10:23 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-07-10 06:14:07 -0400 |
| commit | a35780005eb256eb5ec83ffcc802967295887a45 (patch) | |
| tree | 187244378069f3dd02b23e706d10a3054837f3ba /drivers/scsi/imm.c | |
| parent | d8ea37d5de58d35a39d0b4e7d209751aaa1b8174 (diff) | |
tracing/workqueues: Add refcnt to struct cpu_workqueue_stats
The stat entries can be freed when the stat file is being read.
The worse is, the ptr can be freed immediately after it's returned
from workqueue_stat_start/next().
Add a refcnt to struct cpu_workqueue_stats to avoid use-after-free.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4A51B16F.6010608@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/imm.c')
0 files changed, 0 insertions, 0 deletions