[SeaBIOS] [PATCH 3/5] Minor - USB OHCI interrupt queue should be one larger.

[Kevin O'Connor]

One of the entries in the queue can't be used, so the total queue size
needs to be one larger than it currently is.
---
 src/usb-ohci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/usb-ohci.c b/src/usb-ohci.c
index 28bbdc6..0048e2b 100644
--- a/src/usb-ohci.c
+++ b/src/usb-ohci.c
@@ -429,7 +429,7 @@ ohci_alloc_intr_pipe(struct usb_pipe *dummy, int frameexp)
     int devaddr = dummy->devaddr | (dummy->ep << 7);
     // Determine number of entries needed for 2 timer ticks.
     int ms = 1<<frameexp;
-    int count = DIV_ROUND_UP(PIT_TICK_INTERVAL * 1000 * 2, PIT_TICK_RATE * ms);
+    int count = DIV_ROUND_UP(PIT_TICK_INTERVAL * 1000 * 2, PIT_TICK_RATE * ms)+1;
     struct ohci_pipe *pipe = malloc_low(sizeof(*pipe));
     struct ohci_td *tds = malloc_low(sizeof(*tds) * count);
     void *data = malloc_low(maxpacket * count);
-- 
1.6.6.1