[PATCH 6/8] usb: xhci: Do not panic on event timeouts

[Hector Martin]

Now that we always check the return value, just return NULL on timeouts.
We can still log the error since this is a problem, but it's not reason
to panic.

Signed-off-by: Hector Martin <mar...@marcan.st>
---
 drivers/usb/host/xhci-ring.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 3ef8c2f14ccc..b95f20642943 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -494,8 +494,9 @@ union xhci_trb *xhci_wait_for_event(struct xhci_ctrl *ctrl, 
trb_type expected)
        if (expected == TRB_TRANSFER)
                return NULL;
 
-       printf("XHCI timeout on event type %d... cannot recover.\n", expected);
-       BUG();
+       printf("XHCI timeout on event type %d...\n", expected);
+
+       return NULL;
 }
 
 /*

-- 
2.41.0