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authorLinus Torvalds <torvalds@linux-foundation.org>2020-12-24 12:06:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-24 12:06:46 -0800
commit64145482d3339d71f58857591d021588040543f4 (patch)
tree73c3efadd308c546d9c56cde34235cdd006dda49 /drivers/vhost
parent58cf05f597b03a8212d9ecf2c79ee046d3ee8ad9 (diff)
parent418eddef050d5f6393c303a94e3173847ab85466 (diff)
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: - vdpa sim refactoring - virtio mem: Big Block Mode support - misc cleanus, fixes * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (61 commits) vdpa: Use simpler version of ida allocation vdpa: Add missing comment for virtqueue count uapi: virtio_ids: add missing device type IDs from OASIS spec uapi: virtio_ids.h: consistent indentions vhost scsi: fix error return code in vhost_scsi_set_endpoint() virtio_ring: Fix two use after free bugs virtio_net: Fix error code in probe() virtio_ring: Cut and paste bugs in vring_create_virtqueue_packed() tools/virtio: add barrier for aarch64 tools/virtio: add krealloc_array tools/virtio: include asm/bug.h vdpa/mlx5: Use write memory barrier after updating CQ index vdpa: split vdpasim to core and net modules vdpa_sim: split vdpasim_virtqueue's iov field in out_iov and in_iov vdpa_sim: make vdpasim->buffer size configurable vdpa_sim: use kvmalloc to allocate vdpasim->buffer vdpa_sim: set vringh notify callback vdpa_sim: add set_config callback in vdpasim_dev_attr vdpa_sim: add get_config callback in vdpasim_dev_attr vdpa_sim: make 'config' generic and usable for any device type ...
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/scsi.c3
-rw-r--r--drivers/vhost/vdpa.c10
2 files changed, 5 insertions, 8 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 6ff8a5096691..4ce9f00ae10e 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1643,7 +1643,8 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
if (!vhost_vq_is_setup(vq))
continue;
- if (vhost_scsi_setup_vq_cmds(vq, vq->num))
+ ret = vhost_scsi_setup_vq_cmds(vq, vq->num);
+ if (ret)
goto destroy_vq_cmds;
}
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 29ed4173f04e..ef688c8c0e0e 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -245,14 +245,10 @@ static long vhost_vdpa_set_config(struct vhost_vdpa *v,
return -EFAULT;
if (vhost_vdpa_config_validate(v, &config))
return -EINVAL;
- buf = kvzalloc(config.len, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- if (copy_from_user(buf, c->buf, config.len)) {
- kvfree(buf);
- return -EFAULT;
- }
+ buf = vmemdup_user(c->buf, config.len);
+ if (IS_ERR(buf))
+ return PTR_ERR(buf);
ops->set_config(vdpa, config.off, buf, config.len);