diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2008-10-08 08:41:20 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2008-10-08 08:41:20 +0000 |
| commit | d4c7b6712f195a8861efb56475b39e7679a6ec60 (patch) | |
| tree | df69f6a53e9e8df4b21a6ba1b99c221fe18cc7d6 /sys/uvm/uvm_map.c | |
| parent | 6f4869dbfe20ece5aa30b0f68ea8286cff86d92d (diff) | |
Don't extend amaps beyond what their supposed maximum. This code path is
not taken anymore, but it doesn't hurt to be correct.
from NetBSD, through mickey in pr 5812
prodded by otto@
Diffstat (limited to 'sys/uvm/uvm_map.c')
| -rw-r--r-- | sys/uvm/uvm_map.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/sys/uvm/uvm_map.c b/sys/uvm/uvm_map.c index 14a2b536039..61a69aad4d1 100644 --- a/sys/uvm/uvm_map.c +++ b/sys/uvm/uvm_map.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_map.c,v 1.104 2008/09/23 13:25:46 art Exp $ */ +/* $OpenBSD: uvm_map.c,v 1.105 2008/10/08 08:41:19 art Exp $ */ /* $NetBSD: uvm_map.c,v 1.86 2000/11/27 08:40:03 chs Exp $ */ /* @@ -847,10 +847,8 @@ uvm_map_p(struct vm_map *map, vaddr_t *startp, vsize_t size, if (prev_entry->aref.ar_amap) { error = amap_extend(prev_entry, size); - if (error) { - vm_map_unlock(map); - return (error); - } + if (error) + goto step3; } UVMCNT_INCR(map_backmerge); |