diff options
| author | Andiry Xu <andiry.xu@amd.com> | 2010-10-27 16:44:52 +0800 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2010-11-11 10:36:51 -0800 |
| commit | 74bb844af8ec6a4c360b1fc7feb139801c0cacfd (patch) | |
| tree | 5037750c8c640cc8222cf49051460e980f4c22bc /drivers/usb | |
| parent | 241b652f1995de138106afd2f2e4eda9f8a3c240 (diff) | |
| download | linux-74bb844af8ec6a4c360b1fc7feb139801c0cacfd.tar.bz2 | |
xHCI: release spinlock when setup interrupt
Jiri Slaby reports spinlock is held while calling kmalloc(GFP_KERNEL)
and request_irq() in xhci_resume().
Release the spinlock when setup interrupt.
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 5d7d4e951ea4..7c8d70fbe113 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -714,6 +714,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) return retval; } + spin_unlock_irq(&xhci->lock); /* Re-setup MSI-X */ if (hcd->irq) free_irq(hcd->irq, hcd); @@ -736,6 +737,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) hcd->irq = pdev->irq; } + spin_lock_irq(&xhci->lock); /* step 4: set Run/Stop bit */ command = xhci_readl(xhci, &xhci->op_regs->command); command |= CMD_RUN; |