From 6b3ee24839eb85415d40d4adc1f79f0c936c9db7 Mon Sep 17 00:00:00 2001
From: Andriy Gapon <avg@FreeBSD.org>
Date: Mon, 31 May 2010 09:08:44 +0000
Subject: [PATCH] udf_readlink: fix malloc call with uninitialized size
 parameter

Found by:	clang static analyzer
MFC after:	4 days
---
 sys/fs/udf/udf_vnops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/fs/udf/udf_vnops.c b/sys/fs/udf/udf_vnops.c
index 32010008d83f..ac00b2032c1f 100644
--- a/sys/fs/udf/udf_vnops.c
+++ b/sys/fs/udf/udf_vnops.c
@@ -904,9 +904,9 @@ udf_readlink(struct vop_readlink_args *ap)
 	vp = ap->a_vp;
 	node = VTON(vp);
 	len = le64toh(node->fentry->inf_len);
+	iov[0].iov_len = len;
 	buf = malloc(iov[0].iov_len, M_DEVBUF, M_WAITOK);
 	iov[0].iov_base = buf;
-	iov[0].iov_len = len;
 	uio.uio_iov = iov;
 	uio.uio_iovcnt = 1;
 	uio.uio_offset = 0;