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Date: Fri, 22 Mar 2019 12:14:08 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Varun Prakash <varun@...lsio.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 3.18 035/134] scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state() 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit fe35a40e675473eb65f2f5462b82770f324b5689 ] Assign fc_vport to ln->fc_vport before calling csio_fcoe_alloc_vnp() to avoid a NULL pointer dereference in csio_vport_set_state(). ln->fc_vport is dereferenced in csio_vport_set_state(). Signed-off-by: Varun Prakash <varun@...lsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/scsi/csiostor/csio_attr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/csiostor/csio_attr.c b/drivers/scsi/csiostor/csio_attr.c index 065a87ace623b..22b800b5ac7ff 100644 --- a/drivers/scsi/csiostor/csio_attr.c +++ b/drivers/scsi/csiostor/csio_attr.c @@ -582,12 +582,12 @@ csio_vport_create(struct fc_vport *fc_vport, bool disable) } fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING); + ln->fc_vport = fc_vport; if (csio_fcoe_alloc_vnp(hw, ln)) goto error; *(struct csio_lnode **)fc_vport->dd_data = ln; - ln->fc_vport = fc_vport; if (!fc_vport->node_name) fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln)); if (!fc_vport->port_name) -- 2.19.1
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