USB: wdm: close race between wdm_open and wdm_wwan_port_stop

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commit c1846ed4eb upstream.

Clearing WDM_WWAN_IN_USE must be the last action or
we can open a chardev whose URBs are still poisoned

Fixes: cac6fb015f ("usb: class: cdc-wdm: WWAN framework integration")
Cc: stable <stable@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20250401084749.175246-3-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Oliver Neukum 2025-04-01 10:45:39 +02:00 • committed by Greg Kroah-Hartman

parent 8312053acc

commit 54f7f8978a

1 changed files with 4 additions and 2 deletions

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drivers/usb/class/cdc-wdm.c

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