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bdev_virtio: explicitly return -1 on channel creation failure

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This doesn't change any behavior
as queue_idx was always either
0 or -1, but makes it clear that
this function always returns
-1 on error. This is required
by current io_channel implementation.

Change-Id: I2b613ab9ff1e48d5b4aee0cd499bbc0a04cb765c
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/382927
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Dariusz Stojaczyk 2017-10-18 10:56:17 +02:00 committed by Jim Harris
parent 23ec116cbb
commit 3070826140
1 changed files with 1 additions and 1 deletions
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2
lib/bdev/virtio/bdev_virtio.c
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@ -445,7 +445,7 @@ bdev_virtio_create_cb(void *io_device, void *ctx_buf)
queue_idx = virtio_dev_find_and_acquire_queue(vdev, VIRTIO_SCSI_REQUESTQ);
if (queue_idx < 0) {
SPDK_ERRLOG("Couldn't get an unused queue for the io_channel.\n");
return queue_idx;
return -1;
}
vq = vdev->vqs[queue_idx];