usb: musb: Prevent the masking of the return value

Currently the errors returned by fifo_setup get masked
by EINVAL, propagate the same to the caller.

Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 4bc2ad8352a73e0e9b5844c344cd4f16ddc402cb..dd24f966af10f3ded68888f9cbc75c7c2747cdbd 100644 (file)
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1295,7 +1295,7 @@ done:
                if (offset < 0) {
                        pr_debug("%s: mem overrun, ep %d\n",
                                        musb_driver_name, epn);
-                       return -EINVAL;
+                       return offset;
                }
                epn++;
                musb->nr_endpoints = max(epn, musb->nr_endpoints);