Signed-off-by: Jeremy White <[email protected]>
---
kernel/hub.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/kernel/hub.c b/kernel/hub.c
index 66ba64b..1c5f24d 100644
--- a/kernel/hub.c
+++ b/kernel/hub.c
@@ -305,6 +305,18 @@ static struct hc_driver usbredir_hc_driver = {
};
+/* Older kernels required a -1 to indicate no irq line;
+ * This is an attempt to make this code handle both;
+ * we key off the fact that hcd.irq is signed in the old code */
+static int no_irq(void)
+{
+ struct usb_hcd hcd;
+ hcd.irq = -1;
+ if (hcd.irq > 0)
+ return 0;
+ return -1;
+}
+
static int usbredir_create_hcd(struct usbredir_hub *hub)
{
int ret;
@@ -320,7 +332,7 @@ static int usbredir_create_hcd(struct usbredir_hub *hub)
*((struct usbredir_hub **) hub->hcd->hcd_priv) = hub;
- ret = usb_add_hcd(hub->hcd, 0, 0);
+ ret = usb_add_hcd(hub->hcd, no_irq(), 0);
if (ret != 0) {
pr_err("usb_add_hcd failed %d\n", ret);
usb_put_hcd(hub->hcd);
--
2.1.4
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