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ib_srpt: Revert most of r4282 - a channel must be added to the channel list before unlocking the spinlock such that the completion thread can safely invoke list_del()

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4284 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2012-05-04 17:18:22 +00:00
parent 1baaaea48b
commit 48fc76ecb4
1 changed files with 10 additions and 10 deletions
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20
srpt/src/ib_srpt.c
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@@ -2551,16 +2551,6 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
spin_lock_irq(&sdev->spinlock);
if (!sdev->enabled) {
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
PRINT_ERROR("rejected SRP_LOGIN_REQ because the target %s (%s)"
" is not enabled",
sdev->scst_tgt->tgt_name, sdev->device->name);
spin_unlock_irq(&sdev->spinlock);
goto reject;
}
if ((req->req_flags & SRP_MTCH_ACTION) == SRP_MULTICHAN_SINGLE) {
struct srpt_rdma_ch *ch2;
@@ -2591,6 +2581,16 @@ restart:
list_add_tail(&ch->list, &sdev->rch_list);
ch->thread = thread;
if (!sdev->enabled) {
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
PRINT_ERROR("rejected SRP_LOGIN_REQ because the target %s (%s)"
" is not enabled",
sdev->scst_tgt->tgt_name, sdev->device->name);
spin_unlock_irq(&sdev->spinlock);
goto reject;
}
spin_unlock_irq(&sdev->spinlock);
ret = srpt_ch_qp_rtr(ch, ch->qp);