linux

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Oliver Neukum 1ea6e74aa8 usb: cdc-acm: make sure a refcount is taken early enough

commit c52873e5a1 upstream.

destroy() will decrement the refcount on the interface, so that
it needs to be taken so early that it never undercounts.

Fixes: 7fb57a019f ("USB: cdc-acm: Fix potential deadlock (lockdep warning)")
Cc: stable <stable@vger.kernel.org>
Reported-and-tested-by: syzbot+1b2449b7b5dc240d107a@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20190808142119.7998-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2023-05-15 14:19:53 +09:00

cdc-acm.c

usb: cdc-acm: make sure a refcount is taken early enough

2023-05-15 14:19:53 +09:00

cdc-acm.h

cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader.

2023-05-15 10:49:43 +09:00

cdc-wdm.c

Revert "usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()"

2023-05-15 08:29:37 +09:00

Kconfig

USB: regroup all depends on USB within an if USB block