diff mbox series

[v2,8/9] usb: host: xhci: drop redundant checks

Message ID 20220216095153.1303105-9-mathias.nyman@linux.intel.com (mailing list archive)
State Accepted
Commit 133da4b470ecb1d696f07d18753cc482fa0b7580
Headers show
Series xhci and hub features for usb-next | expand

Commit Message

Mathias Nyman Feb. 16, 2022, 9:51 a.m. UTC 
From: Sergey Shtylyov <s.shtylyov@omp.ru>

In xhci_endpoint_{disable|reset}() 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 <s.shtylyov@omp.ru>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
 drivers/usb/host/xhci.c | 4 ----
 1 file changed, 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2a58677d9b7a..33bae434aa94 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3150,8 +3150,6 @@  static void xhci_endpoint_disable(struct usb_hcd *hcd,
 
 	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 usb_hcd *hcd,
 		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);