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USB: wdm: close race between wdm_open and wdm_wwan_port_stop
authorOliver Neukum <oneukum@suse.com>
Tue, 1 Apr 2025 08:45:39 +0000 (10:45 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 11 Apr 2025 14:27:28 +0000 (16:27 +0200)
commitc1846ed4eb527bdfe6b3b7dd2c78e2af4bf98f4f
tree87d6ae83d6397e67a3ccc96f13879fc65134fdc3tree
parent9697f5efcf5fdea65b8390b5eb81bebe746ceedccommit | diff
USB: wdm: close race between wdm_open and wdm_wwan_port_stop

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

Fixes: cac6fb015f71 ("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>
drivers/usb/class/cdc-wdm.c diff | blob | history
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