From: Yi Zou <yi.zou@xxxxxxxxx> The lport_recv(), i.e., fc_lport_recv_req() may get called w/o the sequence ptr being set in fr_seq(), particularly in the case of vn2vn mode, this may happen if the passive fcp provider, e.g., tcm_fc, has not been registered yet. Signed-off-by: Yi Zou <yi.zou@xxxxxxxxx> Tested-by: Ross Brattain <ross.b.brattain@xxxxxxxxx> Signed-off-by: Robert Love <robert.w.love@xxxxxxxxx> --- drivers/scsi/libfc/fc_lport.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 45b24a4..55f58ee 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -973,7 +973,8 @@ drop: rcu_read_unlock(); FC_LPORT_DBG(lport, "dropping unexpected frame type %x\n", fh->fh_type); fc_frame_free(fp); - lport->tt.exch_done(sp); + if (sp) + lport->tt.exch_done(sp); } /** -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
