[PATCH 4.9 60/75] usbip: vhci: stop printing kernel pointer addresses in messages

Greg Kroah-Hartman
2018-01-01T14:36:25Z

From: Shuah Khan <shuahkh@osg.samsung.com>

commit 8272d099d05f7ab2776cf56a2ab9f9443be18907 upstream.

Remove and/or change debug, info. and error messages to not print
kernel pointer addresses.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/usb/usbip/vhci_hcd.c | 10 ----------
drivers/usb/usbip/vhci_rx.c | 23 +++++++++++------------
drivers/usb/usbip/vhci_tx.c | 3 ++-
3 files changed, 13 insertions(+), 23 deletions(-)

--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -506,9 +506,6 @@ static int vhci_urb_enqueue(struct usb_h
struct vhci_device *vdev;
unsigned long flags;

- usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
- hcd, urb, mem_flags);
-
if (portnum > VHCI_HC_PORTS) {
pr_err("invalid port number %d\n", portnum);
return -ENODEV;
@@ -671,8 +668,6 @@ static int vhci_urb_dequeue(struct usb_h
struct vhci_device *vdev;
unsigned long flags;

- pr_info("dequeue a urb %p\n", urb);
-
spin_lock_irqsave(&vhci->lock, flags);

priv = urb->hcpriv;
@@ -700,7 +695,6 @@ static int vhci_urb_dequeue(struct usb_h
/* tcp connection is closed */
spin_lock(&vdev->priv_lock);

- pr_info("device %p seems to be disconnected\n", vdev);
list_del(&priv->list);
kfree(priv);
urb->hcpriv = NULL;
@@ -712,8 +706,6 @@ static int vhci_urb_dequeue(struct usb_h
* vhci_rx will receive RET_UNLINK and give back the URB.
* Otherwise, we give back it here.
*/
- pr_info("gives back urb %p\n", urb);
-
usb_hcd_unlink_urb_from_ep(hcd, urb);

spin_unlock_irqrestore(&vhci->lock, flags);
@@ -741,8 +733,6 @@ static int vhci_urb_dequeue(struct usb_h

unlink->unlink_seqnum = priv->seqnum;

- pr_info("device %p seems to be still connected\n", vdev);
-
/* send cmd_unlink and try to cancel the pending URB in the
* peer */
list_add_tail(&unlink->list, &vdev->unlink_tx);
--- a/drivers/usb/usbip/vhci_rx.c
+++ b/drivers/usb/usbip/vhci_rx.c
@@ -37,24 +37,23 @@ struct urb *pickup_urb_and_free_priv(str
urb = priv->urb;
status = urb->status;

- usbip_dbg_vhci_rx("find urb %p vurb %p seqnum %u\n",
- urb, priv, seqnum);
+ usbip_dbg_vhci_rx("find urb seqnum %u\n", seqnum);

switch (status) {
case -ENOENT:
/* fall through */
case -ECONNRESET:
- dev_info(&urb->dev->dev,
- "urb %p was unlinked %ssynchronuously.\n", urb,
- status == -ENOENT ? "" : "a");
+ dev_dbg(&urb->dev->dev,
+ "urb seq# %u was unlinked %ssynchronuously\n",
+ seqnum, status == -ENOENT ? "" : "a");
break;
case -EINPROGRESS:
/* no info output */
break;
default:
- dev_info(&urb->dev->dev,
- "urb %p may be in a error, status %d\n", urb,
- status);
+ dev_dbg(&urb->dev->dev,
+ "urb seq# %u may be in a error, status %d\n",
+ seqnum, status);
}

list_del(&priv->list);
@@ -80,8 +79,8 @@ static void vhci_recv_ret_submit(struct
spin_unlock_irqrestore(&vdev->priv_lock, flags);

if (!urb) {
- pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
- pr_info("max seqnum %d\n",
+ pr_err("cannot find a urb of seqnum %u max seqnum %d\n",
+ pdu->base.seqnum,
atomic_read(&vhci->seqnum));
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
return;
@@ -104,7 +103,7 @@ static void vhci_recv_ret_submit(struct
if (usbip_dbg_flag_vhci_rx)
usbip_dump_urb(urb);

- usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+ usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);

spin_lock_irqsave(&vhci->lock, flags);
usb_hcd_unlink_urb_from_ep(vhci_to_hcd(vhci), urb);
@@ -170,7 +169,7 @@ static void vhci_recv_ret_unlink(struct
pr_info("the urb (seqnum %d) was already given back\n",
pdu->base.seqnum);
} else {
- usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+ usbip_dbg_vhci_rx("now giveback urb %d\n", pdu->base.seqnum);

/* If unlink is successful, status is -ECONNRESET */
urb->status = pdu->u.ret_unlink.status;
--- a/drivers/usb/usbip/vhci_tx.c
+++ b/drivers/usb/usbip/vhci_tx.c
@@ -83,7 +83,8 @@ static int vhci_send_cmd_submit(struct v
memset(&msg, 0, sizeof(msg));
memset(&iov, 0, sizeof(iov));

- usbip_dbg_vhci_tx("setup txdata urb %p\n", urb);
+ usbip_dbg_vhci_tx("setup txdata urb seqnum %lu\n",
+ priv->seqnum);

/* 1. setup usbip_header */
setup_cmd_submit_pdu(&pdu_header, urb);