linux-kernel - Re: list corruption on ib

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Message-ID: <adaprwkundh.fsf@cisco.com>
Date:	Wed, 02 Jan 2008 09:51:38 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	FUJITA Tomonori <tomof@....org>
Cc:	David Dillow <dillowda@...l.gov>, linux-kernel@...r.kernel.org,
	general@...ts.openfabrics.org, pw@....edu,
	fujita.tomonori@....ntt.co.jp
Subject: Re: list corruption on ib_srp load in v2.6.24-rc5

 > > 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@...l.gov>
 > ---
 > 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);

Where do we stand on this?  What is the right place to put the
srp_remove_host?  Is there a bug somewhere else?

I'd like to get this fixed before 2.6.24 final comes out...

 - R.
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