Commit e24650c2 authored Oct 17, 2006 by Akinobu Mita Committed by Linus Torvalds Oct 17, 2006

[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>

parent a649fd92

drivers/md/md.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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,