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authorThomas Gleixner <tglx@linutronix.de>2016-09-01 18:33:46 +0200
committerThomas Gleixner <tglx@linutronix.de>2016-09-01 18:33:46 +0200
commit0cb7bf61b1e9f05027de58c80f9b46a714d24e35 (patch)
tree41fb55cf62d07b425122f9a8b96412c0d8eb99c5 /drivers/usb/host/xhci-hub.c
parentaa877175e7a9982233ed8f10cb4bfddd78d82741 (diff)
parent3eab887a55424fc2c27553b7bfe32330df83f7b8 (diff)
Merge branch 'linus' into smp/hotplug
Apply upstream changes to avoid conflicts with pending patches.
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
-rw-r--r--drivers/usb/host/xhci-hub.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index d61fcc48099e..730b9fd26685 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -386,6 +386,9 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend)
ret = 0;
virt_dev = xhci->devs[slot_id];
+ if (!virt_dev)
+ return -ENODEV;
+
cmd = xhci_alloc_command(xhci, false, true, GFP_NOIO);
if (!cmd) {
xhci_dbg(xhci, "Couldn't allocate command structure.\n");