usbnet: fix cyclical race on disconnect with work queue

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commit 04e906839a upstream.

The work can submit URBs and the URBs can schedule the work.
This cycle needs to be broken, when a device is to be stopped.
Use a flag to do so.
This is a design issue as old as the driver.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
CC: stable@vger.kernel.org
Link: https://patch.msgid.link/20240919123525.688065-1-oneukum@suse.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Oliver Neukum 2024-09-19 14:33:42 +02:00 • committed by Greg Kroah-Hartman

parent 0d945405ae

commit 869caa8de8

2 changed files with 43 additions and 9 deletions

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37

drivers/net/usb/usbnet.c

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15

include/linux/usb/usbnet.h

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