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authorJohn Baldwin <jhb@FreeBSD.org>2009-05-21 16:18:45 +0000
committerJohn Baldwin <jhb@FreeBSD.org>2009-05-21 16:18:45 +0000
commitd422da9a0a969d4a1b82327fb10d63214e59cabc (patch)
treeb23fd7369b6eabbed71fbc06354de730f337fa97
parent07f8bbea053d809b36d9011aea85b71e3313487c (diff)
downloadsrc-d422da9a0a969d4a1b82327fb10d63214e59cabc.tar.gz
src-d422da9a0a969d4a1b82327fb10d63214e59cabc.zip
Only use the ABI compat shim for vfs.bufspace if the old buffer is smaller
than a long. PR: amd64/134786 Submitted by: Emil Mikulic emikulic| gmail MFC after: 3 days
Notes
Notes: svn path=/head/; revision=192543
-rw-r--r--sys/kern/vfs_bio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index 16df88959ee5..a3c3e97823a8 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -293,7 +293,7 @@ sysctl_bufspace(SYSCTL_HANDLER_ARGS)
long lvalue;
int ivalue;
- if (sizeof(int) == sizeof(long) || req->oldlen == sizeof(long))
+ if (sizeof(int) == sizeof(long) || req->oldlen >= sizeof(long))
return (sysctl_handle_long(oidp, arg1, arg2, req));
lvalue = *(long *)arg1;
if (lvalue > INT_MAX)