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linux-can-fixes-for-6.5-20230724

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Merge tag 'linux-can-fixes-for-6.5-20230724' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2023-07-24

The first patch is by me and adds a missing set of CAN state to
CAN_STATE_STOPPED on close in the gs_usb driver.

The last patch is by Eric Dumazet and fixes a lockdep issue in the CAN
raw protocol.

* tag 'linux-can-fixes-for-6.5-20230724' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: raw: fix lockdep issue in raw_release()
  can: gs_usb: gs_can_close(): add missing set of CAN state to CAN_STATE_STOPPED
====================

Link: https://lore.kernel.org/r/20230724150141.766047-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2023-07-24 17:10:10 -07:00
commit ac2a7b1317
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/can/usb/gs_usb.c
View File

@ -1030,6 +1030,8 @@ static int gs_can_close(struct net_device *netdev)
usb_kill_anchored_urbs(&dev->tx_submitted);
atomic_set(&dev->active_tx_urbs, 0);
dev->can.state = CAN_STATE_STOPPED;
/* reset the device */
rc = gs_cmd_reset(dev);
if (rc < 0)

5
net/can/raw.c
View File

@ -386,9 +386,9 @@ static int raw_release(struct socket *sock)
list_del(&ro->notifier);
spin_unlock(&raw_notifier_lock);
rtnl_lock();
lock_sock(sk);
rtnl_lock();
/* remove current filters & unregister */
if (ro->bound) {
if (ro->dev)
@ -405,12 +405,13 @@ static int raw_release(struct socket *sock)
ro->dev = NULL;
ro->count = 0;
free_percpu(ro->uniq);
rtnl_unlock();
sock_orphan(sk);
sock->sk = NULL;
release_sock(sk);
rtnl_unlock();
sock_put(sk);
return 0;