diff options
| -rw-r--r-- | sys/kern/subr_rman.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c index 85af088..7c5502e 100644 --- a/sys/kern/subr_rman.c +++ b/sys/kern/subr_rman.c @@ -232,6 +232,10 @@ rman_reserve_resource_bound(struct rman *rm, u_long start, u_long end, } while ((rstart & amask) != 0 && rstart < end && rstart < s->r_end); rend = ulmin(s->r_end, ulmax(rstart + count, end)); + if (rstart > rend) { + DPRINTF(("adjusted start exceeds end\n")); + continue; + } DPRINTF(("truncated region: [%#lx, %#lx]; size %#lx (requested %#lx)\n", rstart, rend, (rend - rstart + 1), count)); |
