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authorAkinobu Mita <akinobu.mita@gmail.com>2006-10-17 00:09:38 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-17 08:18:43 -0700
commite24650c2e744f99541125a5b023f0d02cad19d14 (patch)
tree59f043a5bddb973feac1b1543cf87970665370c5 /drivers/md
parenta649fd9271773dd0f78e2b9f347bcceecb8827f9 (diff)
downloadop-kernel-dev-e24650c2e744f99541125a5b023f0d02cad19d14.zip
op-kernel-dev-e24650c2e744f99541125a5b023f0d02cad19d14.tar.gz
[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>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 57fa64f..f7f1908 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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