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linux/drivers/usb/class
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Oliver Neukum c52873e5a1 usb: cdc-acm: make sure a refcount is taken early enough 
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>
History 2019-08-15 14:49:16 +02:00
..
cdc-acm.c usb: cdc-acm: make sure a refcount is taken early enough 2019-08-15 14:49:16 +02:00
cdc-acm.h USB: cdc-acm: clean up throttle handling 2019-04-29 16:14:41 +02:00
cdc-wdm.c usb: cdc-wdm: remove redundant assignment to rv 2019-06-03 15:21:56 +02:00
Kconfig docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
Makefile USB: add SPDX identifiers to all remaining Makefiles 2017-11-07 15:53:48 +01:00
usblp.c usb: usblp: use irqsave() in USB's complete callback 2018-06-28 19:36:06 +09:00
usbtmc.c usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_abort_bulk_in_tag 2018-09-28 15:12:08 +02:00