From: Pavan Holla pholla@chromium.org
commit 92c9c3baad6b1fd584fbabeaa4756f9b77926cb5 upstream.
The current implementation mistakenly performs a & operation on the output of sysfs_emit. This patch performs the & operation before calling sysfs_emit.
Fixes: 662a60102c12 ("usb: typec: Separate USB Power Delivery from USB Type-C") Cc: stable stable@kernel.org Reported-by: Benson Leung bleung@chromium.org Signed-off-by: Pavan Holla pholla@chromium.org Reviewed-by: Heikki Krogerus heikki.krogerus@linux.intel.com Reviewed-by: Benson Leung bleung@chromium.org Message-ID: 20230607193328.3359487-1-pholla@chromium.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/typec/pd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/typec/pd.c +++ b/drivers/usb/typec/pd.c @@ -89,7 +89,7 @@ peak_current_show(struct device *dev, st static ssize_t fast_role_swap_current_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sysfs_emit(buf, "%u\n", to_pdo(dev)->pdo >> PDO_FIXED_FRS_CURR_SHIFT) & 3; + return sysfs_emit(buf, "%u\n", (to_pdo(dev)->pdo >> PDO_FIXED_FRS_CURR_SHIFT) & 3); } static DEVICE_ATTR_RO(fast_role_swap_current);