[PATCH v2 2/2] usb/typec: fix array overruns in ucsi.c partner_altmode[]

[Zwane Mwaikambo <zwanem@xxxxxxxxx>]

This fixes the other occurence of the array overrun in ucsi.c, this time 
in ucsi_unregister_altmodes.

Signed-off-by: Zwane Mwaikambo <zwane@xxxxxxxxx>
---
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index d0c63afaf..79061705e 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -479,7 +480,10 @@ static void ucsi_unregister_altmodes(struct ucsi_connector *con, u8 recipient)
 		return;
 	}
 
-	while (adev[i]) {
+	for (i = 0; i < UCSI_MAX_ALTMODES; i++) {
+		if (!adev[i])
+			break;
+
 		if (recipient == UCSI_RECIPIENT_SOP &&
 		    (adev[i]->svid == USB_TYPEC_DP_SID ||
 			(adev[i]->svid == USB_TYPEC_NVIDIA_VLINK_SID &&
@@ -488,7 +492,7 @@ static void ucsi_unregister_altmodes(struct ucsi_connector *con, u8 recipient)
 			ucsi_displayport_remove_partner((void *)pdev);
 		}
 		typec_unregister_altmode(adev[i]);
-		adev[i++] = NULL;
+		adev[i] = NULL;
 	}
 }