Re: list corruption on ib_srp load in v2.6.24-rc5

From: David Dillow
Date: Wed Dec 26 2007 - 12:14:23 EST



On Sun, 2007-12-23 at 01:41 +0900, FUJITA Tomonori wrote:
> transport_container_unregister(&i->rport_attr_cont) should not fail here.
>
> It fails because there is still a srp rport.
>
> I think that as Pete pointed out, srp_remove_one needs to call
> srp_remove_host.
>
> Can you try this?

That patched oopsed in scsi_remove_host(), but reversing the order has
survived over 500 insert/probe/remove cycles.

Tested-by: David Dillow <dillowda@xxxxxxxx>
---
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 950228f..77e8b90 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2054,6 +2054,7 @@ static void srp_remove_one(struct ib_device *device)
list_for_each_entry_safe(target, tmp_target,
&host->target_list, list) {
scsi_remove_host(target->scsi_host);
+ srp_remove_host(target->scsi_host);
srp_disconnect_target(target);
ib_destroy_cm_id(target->cm_id);
srp_free_target_ib(target);


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