diff options
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 461d9872d4d3..bc9ab7fb2cc7 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -98,6 +98,10 @@ static struct page *page_chain_del(struct page **head, int n) BUG_ON(!head); page = *head; + + if (!page) + return NULL; + while (page) { tmp = page_chain_next(page); if (--n == 0) |