From e24650c2e744f99541125a5b023f0d02cad19d14 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Tue, 17 Oct 2006 00:09:38 -0700
Subject: [PATCH] md: fix /proc/mdstat refcounting
I have seen mdadm oops after successfully unloading md module.
This patch privents from unloading md module while
mdadm is polling /proc/mdstat.
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
drivers/md/md.c | 1 +
1 file changed, 1 insertion(+)
(limited to 'drivers/md')
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 57fa64f93e5..f7f19088f3b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4912,6 +4912,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
}
static struct file_operations md_seq_fops = {
+ .owner = THIS_MODULE,
.open = md_seq_open,
.read = seq_read,
.llseek = seq_lseek,
--
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