Commit d287483d authored Nov 08, 2006 by Alasdair G Kergon Committed by Linus Torvalds Nov 08, 2006

[PATCH] dm: suspend: fix error path



If the device is already suspended, just return the error and skip the code
that would incorrectly wipe md->suspended_bdev.

(This isn't currently a problem because existing code avoids calling this
function if the device is already suspended.)

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: <dm-devel@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent bfc5ecdf

drivers/md/dm.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1285,7 +1285,7 @@ int dm_suspend(struct mapped_device *md, int do_lockfs)
		down(&md->suspend_lock);

		if (dm_suspended(md))
		goto out;
		goto out_unlock;

		map = dm_get_table(md);

		@@ -1361,6 +1361,8 @@ out:
		}

		dm_table_put(map);

		out_unlock:
		up(&md->suspend_lock);
		return r;
		}