diff options
| author | Shuah Khan <shuahkh@osg.samsung.com> | 2018-01-26 11:56:50 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-25 11:05:45 +0100 |
| commit | 8690825ea691c689a1c21fbf5f8000df35cf043b (patch) | |
| tree | 45fca7fa5b0060371b3d5e6cc605fae02c50f3d4 | |
| parent | f23830925a33186636f229f5d20abd3178aa38e1 (diff) | |
usbip: keep usbip_device sockfd state in sync with tcp_socket
commit 009f41aed4b3e11e6dc1e3c07377a10c20f1a5ed upstream.
Keep usbip_device sockfd state in sync with tcp_socket. When tcp_socket
is reset to null, reset sockfd to -1 to keep it in sync.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/usbip/stub_dev.c | 3 | ||||
| -rw-r--r-- | drivers/usb/usbip/vhci_hcd.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index 1886d8e4f14e..3550224f4d69 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -87,6 +87,7 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, goto err; sdev->ud.tcp_socket = socket; + sdev->ud.sockfd = sockfd; spin_unlock_irq(&sdev->ud.lock); @@ -186,6 +187,7 @@ static void stub_shutdown_connection(struct usbip_device *ud) if (ud->tcp_socket) { sockfd_put(ud->tcp_socket); ud->tcp_socket = NULL; + ud->sockfd = -1; } /* 3. free used data */ @@ -280,6 +282,7 @@ static struct stub_device *stub_device_alloc(struct usb_device *udev) sdev->ud.status = SDEV_ST_AVAILABLE; spin_lock_init(&sdev->ud.lock); sdev->ud.tcp_socket = NULL; + sdev->ud.sockfd = -1; INIT_LIST_HEAD(&sdev->priv_init); INIT_LIST_HEAD(&sdev->priv_tx); diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index dbe615ba07c9..9936a2f199b1 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -832,6 +832,7 @@ static void vhci_shutdown_connection(struct usbip_device *ud) if (vdev->ud.tcp_socket) { sockfd_put(vdev->ud.tcp_socket); vdev->ud.tcp_socket = NULL; + vdev->ud.sockfd = -1; } pr_info("release socket\n"); @@ -879,6 +880,7 @@ static void vhci_device_reset(struct usbip_device *ud) if (ud->tcp_socket) { sockfd_put(ud->tcp_socket); ud->tcp_socket = NULL; + ud->sockfd = -1; } ud->status = VDEV_ST_NULL; |