From: Philipp Reisner Date: Thu, 20 Jan 2011 15:49:33 +0000 (+0100) Subject: drbd: We can not process BIOs with a size of 0 X-Git-Tag: firefly_0821_release~7613^2~1765^2~24 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d07c9c10e5620c632aae9cac2b609033398f6139;p=firefly-linux-kernel-4.4.55.git drbd: We can not process BIOs with a size of 0 Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 432fe8f6b5d2..e9354931eace 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -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;