summaryrefslogtreecommitdiffstats
path: root/lib/libc/stdlib/malloc.c
diff options
context:
space:
mode:
authorderaadt <deraadt@openbsd.org>2019-06-28 13:32:41 +0000
committerderaadt <deraadt@openbsd.org>2019-06-28 13:32:41 +0000
commitdf69c215c7c66baf660f3f65414fd34796c96152 (patch)
tree0255639162b24c4a2f761a274e32b69c2256fd45 /lib/libc/stdlib/malloc.c
parentminiroot prototype disklabels should attempt to contain accurate (diff)
downloadwireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.tar.xz
wireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.zip
When system calls indicate an error they return -1, not some arbitrary
value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.
Diffstat (limited to 'lib/libc/stdlib/malloc.c')
-rw-r--r--lib/libc/stdlib/malloc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index f2e82679e9d..7d49438b7be 100644
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: malloc.c,v 1.261 2019/05/23 06:43:18 otto Exp $ */
+/* $OpenBSD: malloc.c,v 1.262 2019/06/28 13:32:42 deraadt Exp $ */
/*
* Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net>
* Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -897,7 +897,7 @@ omalloc_make_chunks(struct dir_info *d, int bits, int listnum)
return NULL;
/* memory protect the page allocated in the malloc(0) case */
- if (bits == 0 && mprotect(pp, MALLOC_PAGESIZE, PROT_NONE) < 0)
+ if (bits == 0 && mprotect(pp, MALLOC_PAGESIZE, PROT_NONE) == -1)
goto err;
bp = alloc_chunk_info(d, bits);