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| author | Oliver Neukum <oneukum@suse.com> | 2024-03-14 14:50:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-26 16:56:33 +0300 |
| commit | 339f83612f3a569b194680768b22bf113c26a29d (patch) | |
| tree | ee684e37856195b5893dcdee01ae963e6fd0fee8 /drivers/usb/phy/phy-generic.c | |
| parent | 5d69a3b54e5a630c90d82a4c2bdce3d53dc78710 (diff) | |
| download | linux-339f83612f3a569b194680768b22bf113c26a29d.tar.xz | |
usb: cdc-wdm: close race between read and workqueue
wdm_read() cannot race with itself. However, in
service_outstanding_interrupt() it can race with the
workqueue, which can be triggered by error handling.
Hence we need to make sure that the WDM_RESPONDING
flag is not just only set but tested.
Fixes: afba937e540c9 ("USB: CDC WDM driver")
Cc: stable <stable@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240314115132.3907-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/phy/phy-generic.c')
0 files changed, 0 insertions, 0 deletions