From: Sven Peter sven@svenpeter.dev
[ Upstream commit b6ddd180e3d9f92c1e482b3cdeec7dda086b1341 ]
typec_altmode_exit checks if ops->enter is not NULL but then calls ops->exit a few lines below. Fix that and check for the function pointer it's about to call instead.
Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes") Signed-off-by: Sven Peter sven@svenpeter.dev Reviewed-by: Heikki Krogerus heikki.krogerus@linux.intel.com Link: https://lore.kernel.org/r/20221114165924.33487-1-sven@svenpeter.dev Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/typec/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c index 76299b6ff06d..7605963f71ed 100644 --- a/drivers/usb/typec/bus.c +++ b/drivers/usb/typec/bus.c @@ -126,7 +126,7 @@ int typec_altmode_exit(struct typec_altmode *adev) if (!adev || !adev->active) return 0;
- if (!pdev->ops || !pdev->ops->enter) + if (!pdev->ops || !pdev->ops->exit) return -EOPNOTSUPP;
/* Moving to USB Safe State */