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authorHans de Goede <hdegoede@redhat.com>2014-07-25 22:01:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-08-01 15:58:59 -0700
commita0ee619f3ce8d8478c0cdd944b6cb24453ab6297 (patch)
tree05086014d9e8f3d4b08c22531ded0a00c9203dc4 /drivers/usb/host/xhci.c
parent170625e99485aac578c83fb4aa2bcd9f589570ef (diff)
downloadop-kernel-dev-a0ee619f3ce8d8478c0cdd944b6cb24453ab6297.zip
op-kernel-dev-a0ee619f3ce8d8478c0cdd944b6cb24453ab6297.tar.gz
xhci: Add missing checks for xhci_alloc_command failure
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index a0772d3..b6f2117 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1553,6 +1553,10 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
*/
if (!(ep->ep_state & EP_HALT_PENDING)) {
command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC);
+ if (!command) {
+ ret = -ENOMEM;
+ goto done;
+ }
ep->ep_state |= EP_HALT_PENDING;
ep->stop_cmds_pending++;
ep->stop_cmd_timer.expires = jiffies +
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