USB: xhci: Use GFP_ATOMIC under spin_lock
coccinelle check scripts/coccinelle/locks/call_kern.cocci found that
in drivers/usb/host/xhci.c an allocation with GFP_KERNEL is done
with locks held:
xhci_resume
spin_lock_irq(xhci->lock)
xhci_setup_msix
kmalloc(GFP_KERNEL)
Change it to GFP_ATOMIC.
Signed-off-by: David Sterba <dsterba@suse.cz>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5d7d4e9..8ddc965 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -240,7 +240,7 @@
xhci->msix_entries =
kmalloc((sizeof(struct msix_entry))*xhci->msix_count,
- GFP_KERNEL);
+ GFP_ATOMIC);
if (!xhci->msix_entries) {
xhci_err(xhci, "Failed to allocate MSI-X entries\n");
return -ENOMEM;