From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH] scsi: storvsc: Add support for FC rport.
Date: Tue, 14 Mar 2017 09:42:21 -0700
Message-ID: <20170314094221.336a1be2@xeon-e3>
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To: Cathy Avery <cavery@redhat.com>
Cc: jejb@linux.vnet.ibm.com, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, haiyangz@microsoft.com, linux-kernel@vger.kernel.org, hch@infradead.org, devel@linuxdriverproject.org, dan.carpenter@oracle.com
List-Id: linux-scsi@vger.kernel.org

On Tue, 14 Mar 2017 12:01:03 -0400
Cathy Avery <cavery@redhat.com> wrote:

>  #if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
>  	if (host->transportt == fc_transport_template) {
> +		struct fc_rport_identifiers ids;
> +
> +		ids.node_name = 0;
> +		ids.port_name = 0;
> +		ids.port_id = 0;
> +		ids.roles |= FC_PORT_ROLE_FCP_TARGET;

Since the variable ids is on the stack, it is uninitialized data.
Doing a OR with uninitialized data is not correct.

Better off to use C99 style iniatializer and skip the zero fields.

		struct fc_rport_identifiers ids = {
			.roles = FC_PORT_ROLE_FCP_TARGET,
		};