The xhci debug capability (DbC) feature did its memory cleanup with spinlock held. dma_free_coherent() warns if called with interrupts disabled
move the memory cleanup outside the spinlock
Cc: stable stable@vger.kernel.org Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com --- drivers/usb/host/xhci-dbgcap.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index c78be57..d932cc3 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -516,7 +516,6 @@ static int xhci_do_dbc_stop(struct xhci_hcd *xhci) return -1;
writel(0, &dbc->regs->control); - xhci_dbc_mem_cleanup(xhci); dbc->state = DS_DISABLED;
return 0; @@ -562,8 +561,10 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci) ret = xhci_do_dbc_stop(xhci); spin_unlock_irqrestore(&dbc->lock, flags);
- if (!ret) + if (!ret) { + xhci_dbc_mem_cleanup(xhci); pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller); + } }
static void