Re: [PATCH] scsi: storvsc: Add support for FC rport.

From: Stephen Hemminger
Date: Tue Mar 14 2017 - 12:42:44 EST


On Tue, 14 Mar 2017 12:01:03 -0400
Cathy Avery <cavery@xxxxxxxxxx> 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,
};