mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-14 04:26:45 +00:00
Code Issues Releases Wiki Activity

usb: host: xhci: drop redundant checks

Browse source 
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>
Link: https://lore.kernel.org/r/20220216095153.1303105-9-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergey Shtylyov 2022-02-16 11:51:52 +02:00 committed by Greg Kroah-Hartman
parent cd36facf10
commit 133da4b470
1 changed files with 0 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/usb/host/xhci.c
View file

@ -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);