In error paths, call typec_altmode_put_plug() to drop the device reference obtained by typec_altmode_get_plug().
Fixes: 71ba4fe56656 ("usb: typec: altmodes/displayport: add SOP' support") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li lihaoxiang@isrc.iscas.ac.cn --- drivers/usb/typec/altmodes/displayport.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 1dcb77faf85d..5d02c97e256e 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -764,12 +764,16 @@ int dp_altmode_probe(struct typec_altmode *alt) if (!(DP_CAP_PIN_ASSIGN_DFP_D(port->vdo) & DP_CAP_PIN_ASSIGN_UFP_D(alt->vdo)) && !(DP_CAP_PIN_ASSIGN_UFP_D(port->vdo) & - DP_CAP_PIN_ASSIGN_DFP_D(alt->vdo))) - return -ENODEV; + DP_CAP_PIN_ASSIGN_DFP_D(alt->vdo))) { + typec_altmode_put_plug(plug); + return -ENODEV; + }
dp = devm_kzalloc(&alt->dev, sizeof(*dp), GFP_KERNEL); - if (!dp) + if (!dp) { + typec_altmode_put_plug(plug); return -ENOMEM; + }
INIT_WORK(&dp->work, dp_altmode_work); mutex_init(&dp->lock);