drbd: We can not process BIOs with a size of 0



Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

parent cd88d030

drivers/block/drbd/drbd_receiver.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1237,6 +1237,7 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __

		data_size -= dgs;

		ERR_IF(data_size == 0) return NULL;
		ERR_IF(data_size & 0x1ff) return NULL;
		ERR_IF(data_size > DRBD_MAX_BIO_SIZE) return NULL;