diff options
| author | Andrei Kuchynski <akuchynski@chromium.org> | 2025-04-24 08:44:29 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-18 08:24:55 +0200 |
| commit | 5ad298d6d4aebe1229adba6427e417e89a5208d8 (patch) | |
| tree | 2111765f6494d9b61a6c486555d328d84e1d4181 | |
| parent | 3366a199483a247e6610fdc9c1de65df68624c7e (diff) | |
usb: typec: ucsi: displayport: Fix NULL pointer access
commit 312d79669e71283d05c05cc49a1a31e59e3d9e0e upstream.
This patch ensures that the UCSI driver waits for all pending tasks in the
ucsi_displayport_work workqueue to finish executing before proceeding with
the partner removal.
Cc: stable <stable@kernel.org>
Fixes: af8622f6a585 ("usb: typec: ucsi: Support for DisplayPort alt mode")
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20250424084429.3220757-3-akuchynski@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/typec/ucsi/displayport.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c index 420af5139c70..5d24a2321e15 100644 --- a/drivers/usb/typec/ucsi/displayport.c +++ b/drivers/usb/typec/ucsi/displayport.c @@ -296,6 +296,8 @@ void ucsi_displayport_remove_partner(struct typec_altmode *alt) if (!dp) return; + cancel_work_sync(&dp->work); + dp->data.conf = 0; dp->data.status = 0; dp->initialized = false; |