2.6.27-stable review patch. If anyone has any objections, please let us know. ------------------ From: Milan Broz commit 4d89b7b4e4726893453d0fb4ddbb5b3e16353994 upstream. Do not process sysfs attributes when device is being destroyed. Otherwise code can cause BUG_ON(test_bit(DMF_FREEING, &md->flags)); in dm_put() call. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -265,6 +265,10 @@ static int dm_blk_open(struct inode *ino goto out; } + if (test_bit(DMF_FREEING, &md->flags) || + test_bit(DMF_DELETING, &md->flags)) + return NULL; + dm_get(md); atomic_inc(&md->open_count); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/