usb: host: xhci: drop redundant checks

Commit Message

Sergey Shtylyov Feb. 8, 2022, 7:33 p.m. UTC

In xhci_endpoint_{disable|}() the expression '&vdev->eps[ep_index]' just
cannot be NULL, so the checks have no sense at all...

Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.

Signed-off-by: Sergey Shtylyov <[e-mail]>

---
Resending with correct  Greg KH's address, hopefully... :-)

 drivers/usb/host/xhci.c |    4 ----
 1 file changed, 4 deletions(-)

Patch

Index: usb/drivers/usb/host/xhci.c
===================================================================
--- usb.orig/drivers/usb/host/xhci.c
+++ usb/drivers/usb/host/xhci.c
@@ -3150,8 +3150,6 @@  rescan:
 
 	ep_index = xhci_get_endpoint_index(&host_ep->desc);
 	ep = &vdev->eps[ep_index];
-	if (!ep)
-		goto done;
 
 	/* wait for hub_tt_work to finish clearing hub TT */
 	if (ep->ep_state & EP_CLEARING_TT) {
@@ -3209,8 +3207,6 @@  static void xhci_endpoint_reset(struct u
 		return;
 	ep_index = xhci_get_endpoint_index(&host_ep->desc);
 	ep = &vdev->eps[ep_index];
-	if (!ep)
-		return;
 
 	/* Bail out if toggle is already being cleared by a endpoint reset */
 	spin_lock_irqsave(&xhci->lock, flags);