Author: hselasky
Date: Wed Feb 5 08:02:52 2014
New Revision: 261505
URL: http://svnweb.freebsd.org/changeset/base/261505
Log:
Fix a regression issue. Contiguous single segment allocations above
PAGE_SIZE bytes should only use one USB page structure. Fixes a
problem with some external drivers.
MFC after: 2 days
Modified:
head/sys/dev/usb/usb_busdma.c
Modified: head/sys/dev/usb/usb_busdma.c
==============================================================================
--- head/sys/dev/usb/usb_busdma.c Wed Feb 5 04:39:03 2014
(r261504)
+++ head/sys/dev/usb/usb_busdma.c Wed Feb 5 08:02:52 2014
(r261505)
@@ -452,7 +452,7 @@ usb_pc_common_mem_cb(void *arg, bus_dma_
goto done;
}
#endif
- while (1) {
+ while (pc->ismultiseg) {
off += USB_PAGE_SIZE;
if (off >= (segs->ds_len + rem)) {
/* page crossing */
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
