linux-kernel - Re: [PATCH 3/3] block: add back command filter modification via sysfs

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Date:	Wed, 12 Sep 2012 13:38:49 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Jens Axboe <axboe@...nel.dk>,
	Ric Wheeler <rwheeler@...hat.com>, linux-scsi@...r.kernel.org
Subject: Re: [PATCH 3/3] block: add back command filter modification via
 sysfs

O
> +	if (!q->cmd_filter) {
> +		q->cmd_filter = kmalloc(sizeof(struct blk_cmd_filter),
> +					GFP_KERNEL);
> +		blk_set_cmd_filter_defaults(q->cmd_filter);

Out of memory - memset - oops
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