This is a note to let you know that I've just added the patch titled
usbip: vhci: stop printing kernel pointer addresses in messages
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: usbip-vhci-stop-printing-kernel-pointer-addresses-in-messages.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 8272d099d05f7ab2776cf56a2ab9f9443be18907 Mon Sep 17 00:00:00 2001
From: Shuah Khan shuahkh@osg.samsung.com Date: Mon, 18 Dec 2017 17:24:22 -0700 Subject: usbip: vhci: stop printing kernel pointer addresses in messages
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 @@ -467,9 +467,6 @@ static int vhci_urb_enqueue(struct usb_h int ret = 0; struct vhci_device *vdev;
- usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n", - hcd, urb, mem_flags); - /* patch to usb_sg_init() is in 2.5.60 */ BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
@@ -627,8 +624,6 @@ static int vhci_urb_dequeue(struct usb_h struct vhci_priv *priv; struct vhci_device *vdev;
- pr_info("dequeue a urb %p\n", urb); - spin_lock(&the_controller->lock);
priv = urb->hcpriv; @@ -656,7 +651,6 @@ 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; @@ -668,8 +662,6 @@ 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(&the_controller->lock); @@ -698,8 +690,6 @@ 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); @@ -78,8 +77,8 @@ static void vhci_recv_ret_submit(struct spin_unlock(&vdev->priv_lock);
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(&the_controller->seqnum)); usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); return; @@ -102,7 +101,7 @@ 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(&the_controller->lock); usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb); @@ -165,7 +164,7 @@ 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 @@ -82,7 +82,8 @@ 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);
Patches currently in stable-queue which might be from shuahkh@osg.samsung.com are
queue-4.4/usbip-vhci-stop-printing-kernel-pointer-addresses-in-messages.patch queue-4.4/usbip-fix-usbip-bind-writing-random-string-after-command-in-match_busid.patch queue-4.4/usbip-stub-stop-printing-kernel-pointer-addresses-in-messages.patch