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path: root/drivers/usb/host/xhci-ring.c
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Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 94e6934edb09..bfc99a939455 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2380,16 +2380,19 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2,
u32 field3, u32 field4, bool command_must_succeed)
{
int reserved_trbs = xhci->cmd_ring_reserved_trbs;
+ int ret;
+
if (!command_must_succeed)
reserved_trbs++;
- if (!room_on_ring(xhci, xhci->cmd_ring, reserved_trbs)) {
- if (!in_interrupt())
- xhci_err(xhci, "ERR: No room for command on command ring\n");
+ ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING,
+ reserved_trbs, GFP_ATOMIC);
+ if (ret < 0) {
+ xhci_err(xhci, "ERR: No room for command on command ring\n");
if (command_must_succeed)
xhci_err(xhci, "ERR: Reserved TRB counting for "
"unfailable commands failed.\n");
- return -ENOMEM;
+ return ret;
}
queue_trb(xhci, xhci->cmd_ring, false, false, field1, field2, field3,
field4 | xhci->cmd_ring->cycle_state);