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| author |   sf <sf@openbsd.org> | 2015-04-19 06:30:20 +0000 |
|---|---|---|
| committer | sf <sf@openbsd.org> | 2015-04-19 06:30:20 +0000 |
| commit | ad6fa6e613a7490c2c5a2a4793aeb1d5e7ab79fe (patch) | |
| tree | 74c0e597ed9d5ab434758fee86d4769211cb9d1d | |
| parent | Binary code patching on i386 (diff) | |
| download | wireguard-openbsd-ad6fa6e613a7490c2c5a2a4793aeb1d5e7ab79fe.tar.xz wireguard-openbsd-ad6fa6e613a7490c2c5a2a4793aeb1d5e7ab79fe.zip | |
Add a missing pmap_kremove
Noticed by mlarkin@
| -rw-r--r-- | sys/arch/amd64/amd64/codepatch.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/arch/amd64/amd64/codepatch.c b/sys/arch/amd64/amd64/codepatch.c index 4e9ed6b55a0..c0a33bbe5eb 100644 --- a/sys/arch/amd64/amd64/codepatch.c +++ b/sys/arch/amd64/amd64/codepatch.c @@ -1,4 +1,4 @@ -/* $OpenBSD: codepatch.c,v 1.1 2015/01/16 10:17:51 sf Exp $ */ +/* $OpenBSD: codepatch.c,v 1.2 2015/04/19 06:30:20 sf Exp $ */ /* * Copyright (c) 2014-2015 Stefan Fritsch <sf@sfritsch.de> * @@ -90,8 +90,10 @@ void *codepatch_maprw(vaddr_t *nva, vaddr_t dest) void codepatch_unmaprw(vaddr_t nva) { - if (nva != 0) - km_free((void *)nva, 2 * PAGE_SIZE, &kv_any, &kp_none); + if (nva == 0) + return; + pmap_kremove(nva, 2 * PAGE_SIZE); + km_free((void *)nva, 2 * PAGE_SIZE, &kv_any, &kp_none); } /* Patch with NOPs */ |