diff options
author | Shuah Khan <shuahkh@osg.samsung.com> | 2018-01-26 21:56:50 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-25 13:07:53 +0300 |
commit | c276379fa71576b9ae082dd8c1dc00ecb32bdba1 (patch) | |
tree | f3b6d6022ff06047d8187dbb60961cc81a54dbd0 /drivers/usb/usbip | |
parent | d74450a91a4af7bc7406403064e4325513d1fcdf (diff) | |
download | linux-c276379fa71576b9ae082dd8c1dc00ecb32bdba1.tar.xz |
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>
Diffstat (limited to 'drivers/usb/usbip')
-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 720408d39f11..b8915513fc84 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 692cfdef667e..89858aeed647 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -998,6 +998,7 @@ 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"); @@ -1044,6 +1045,7 @@ 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; |