Commit 69db40f6 authored Jun 05, 2019 by Changpeng Liu Committed by Darek Stojaczyk Jun 07, 2019

bdev/raid: add additional NULL check for data iovec



iSCSI application may set the data iovec to NULL for READ requests.

Change-Id: Ic6b73f62f75dc2d927c18219fa1c2cb242f0528e
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/457079


Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>

parent 95ace66f

lib/bdev/raid/bdev_raid.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -831,7 +831,7 @@ raid_bdev_submit_request(struct spdk_io_channel ch, struct spdk_bdev_io bdev_i
		{
		switch (bdev_io->type) {
		case SPDK_BDEV_IO_TYPE_READ:
		if (bdev_io->u.bdev.iovs[0].iov_base == NULL) {
		if (bdev_io->u.bdev.iovs == NULL \|\| bdev_io->u.bdev.iovs[0].iov_base == NULL) {
		spdk_bdev_io_get_buf(bdev_io, raid_bdev_get_buf_cb,
		bdev_io->u.bdev.num_blocks * bdev_io->bdev->blocklen);
		} else {