Author: np
Date: Thu Mar 10 20:36:32 2016
New Revision: 296624
URL: https://svnweb.freebsd.org/changeset/base/296624
Log:
cxgbe(4): Fix bug in r296603. The memory window needs to be
repositioned if the start address isn't in the window already. One
of the bounds check used the end address instead.
Modified:
head/sys/dev/cxgbe/t4_main.c
Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c Thu Mar 10 20:15:27 2016
(r296623)
+++ head/sys/dev/cxgbe/t4_main.c Thu Mar 10 20:36:32 2016
(r296624)
@@ -2084,7 +2084,7 @@ rw_via_memwin(struct adapter *sc, int id
while (len > 0) {
rw_rlock(&mw->mw_lock);
mw_end = mw->mw_curpos + mw->mw_aperture;
- if (addr >= mw_end || addr + len <= mw->mw_curpos) {
+ if (addr >= mw_end || addr < mw->mw_curpos) {
/* Will need to reposition the window */
if (!rw_try_upgrade(&mw->mw_lock)) {
rw_runlock(&mw->mw_lock);
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