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vhost/scsi: Use safe iteration in vhost_scsi_complete_cmd_work() 

The following patch changed the behavior which originally did safe
iteration. Make it safe as it was.

   12bdcbd539
   vhost/scsi: Don't reinvent the wheel but use existing llist API

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Byungchul Park 2017-11-09 09:00:21 +09:00 committed by Michael S. Tsirkin
parent c7cdff0e86
commit 816e85edff
1 changed files with 2 additions and 2 deletions
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4
drivers/vhost/scsi.c
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@ -519,7 +519,7 @@ static void vhost_scsi_complete_cmd_work(struct vhost_work *work)
vs_completion_work);
DECLARE_BITMAP(signal, VHOST_SCSI_MAX_VQ);
struct virtio_scsi_cmd_resp v_rsp;
struct vhost_scsi_cmd *cmd;
struct vhost_scsi_cmd *cmd, *t;
struct llist_node *llnode;
struct se_cmd *se_cmd;
struct iov_iter iov_iter;
@ -527,7 +527,7 @@ static void vhost_scsi_complete_cmd_work(struct vhost_work *work)
bitmap_zero(signal, VHOST_SCSI_MAX_VQ);
llnode = llist_del_all(&vs->vs_completion_list);
llist_for_each_entry(cmd, llnode, tvc_completion_list) {
llist_for_each_entry_safe(cmd, t, llnode, tvc_completion_list) {
se_cmd = &cmd->tvc_se_cmd;
pr_debug("%s tv_cmd %p resid %u status %#02x\n", __func__,