On Thu, 2016-01-07 at 16:40 -0800, K. Y. Srinivasan wrote:
> The macro startget_to_rport() can return NULL; handle that case
> properly.
OK, can we unwind why you think you could possibly need this? It would
mean that fc_timed_out was called for a non-FC device, which was
thought to be an impossibility when the fc transport class was
designed.
James
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> ---
> drivers/scsi/scsi_transport_fc.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/scsi/scsi_transport_fc.c
> b/drivers/scsi/scsi_transport_fc.c
> index 24eaaf6..42a908f 100644
> --- a/drivers/scsi/scsi_transport_fc.c
> +++ b/drivers/scsi/scsi_transport_fc.c
> @@ -2081,7 +2081,7 @@ fc_timed_out(struct scsi_cmnd *scmd)
> {
> struct fc_rport *rport = starget_to_rport(scsi_target(scmd
> ->device));
>
> - if (rport->port_state == FC_PORTSTATE_BLOCKED)
> + if ((rport == NULL) || (rport->port_state ==
> FC_PORTSTATE_BLOCKED))
> return BLK_EH_RESET_TIMER;
>
> return BLK_EH_NOT_HANDLED;
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