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From: Don Brace <brace77070@gmail.com>
To: Bart Van Assche <bvanassche@acm.org>,
	James Bottomley <jbottomley@parallels.com>,
	Christoph Hellwig <hch@infradead.org>
Cc: Hannes Reinecke <hare@suse.de>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH for v3.19, v2] Avoid that sd_shutdown() triggers a kernel warning
Date: Thu, 15 Jan 2015 09:23:17 -0600	[thread overview]
Message-ID: <54B7DB65.2070502@gmail.com> (raw)
In-Reply-To: <54AD2E9A.50709@acm.org>

On 01/07/2015 07:03 AM, Bart Van Assche wrote:
> Since kernel v3.19-rc1 module_refcount() returns 1 instead of 0
> when called from inside module_exit(). This breaks the
> module_refcount() test in scsi_device_put() and hence causes the
> following kernel warning to be reported when unloading the ib_srp
> kernel module:
>

Tested-by: Don Brace <don.brace@pmcs.com>

This patch fixed module removal crashes I was seeing with the hpsa 
driver running on 3.19-rc4 kernel. Ran ~200 insmod/rmmod tests with no 
issues.


      parent reply	other threads:[~2015-01-15 15:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-07 13:03 [PATCH for v3.19, v2] Avoid that sd_shutdown() triggers a kernel warning Bart Van Assche
2015-01-08 13:15 ` Christoph Hellwig
2015-01-12 16:29   ` Alan Stern
2015-01-14  9:33     ` Christoph Hellwig
2015-01-14 15:07       ` Alan Stern
2015-01-15 16:06         ` Christoph Hellwig
2015-01-15 18:22           ` sysfs methods can race with ->remove Alan Stern
2015-01-15 19:40             ` Tejun Heo
2015-01-26 17:19               ` Christoph Hellwig
2015-01-26 18:38                 ` Alan Stern
2015-01-20 15:11       ` [PATCH for v3.19, v2] Avoid that sd_shutdown() triggers a kernel warning Alan Stern
2015-01-15 15:23 ` Don Brace [this message]

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