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[2/2] usb: xhci: fix duplicate stall handling in handle_tx_event()

Message ID 20240809124408.505786-3-mathias.nyman@linux.intel.com
State New
Headers show
Series xhci fixes for usb-linus | expand

Commit Message

Mathias Nyman Aug. 9, 2024, 12:44 p.m. UTC 
From: Niklas Neronin <niklas.neronin@linux.intel.com>

Stall handling is managed in the 'process_*' functions, which are called
right before the 'goto' stall handling code snippet. Thus, there should
be a return after the 'process_*' functions. Otherwise, the stall code may
run twice.

Fixes: 1b349f214ac7 ("usb: xhci: add 'goto' for halted endpoint check in handle_tx_event()")
Reported-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
 drivers/usb/host/xhci-ring.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b7517c3c8059..4ea2c3e072a9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2910,6 +2910,7 @@  static int handle_tx_event(struct xhci_hcd *xhci,
 		process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event);
 	else
 		process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event);
+	return 0;
 
 check_endpoint_halted:
 	if (xhci_halted_host_endpoint(ep_ctx, trb_comp_code))