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| author | Hans de Goede <hdegoede@redhat.com> | 2014-07-25 22:01:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-08-01 15:58:59 -0700 |
| commit | a0ee619f3ce8d8478c0cdd944b6cb24453ab6297 (patch) | |
| tree | 05086014d9e8f3d4b08c22531ded0a00c9203dc4 /drivers/usb | |
| parent | 170625e99485aac578c83fb4aa2bcd9f589570ef (diff) | |
| download | linux-a0ee619f3ce8d8478c0cdd944b6cb24453ab6297.tar.gz linux-a0ee619f3ce8d8478c0cdd944b6cb24453ab6297.tar.bz2 linux-a0ee619f3ce8d8478c0cdd944b6cb24453ab6297.zip | |
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')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 749fc68eb5c1..60fb52ae864b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1118,6 +1118,10 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id, if (xhci->quirks & XHCI_RESET_EP_QUIRK) { struct xhci_command *command; command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC); + if (!command) { + xhci_warn(xhci, "WARN Cannot submit cfg ep: ENOMEM\n"); + return; + } xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, "Queueing configure endpoint command"); xhci_queue_configure_endpoint(xhci, command, diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index a0772d362e70..b6f21175b872 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 + |