From: nick black <nick.black@sprezzatech.com>
Date: Sat, 7 Jul 2012 15:42:17 +0000 (-0400)
Subject: use memcpy() to cope with possible misalignment
X-Git-Tag: v2.22-rc1~177^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=330ff7edc480b4e897f946c30a2afa38c916b9d0;p=thirdparty%2Futil-linux.git

use memcpy() to cope with possible misalignment
---

diff --git a/libblkid/src/topology/topology.c b/libblkid/src/topology/topology.c
index 5cde187678..02476e502a 100644
--- a/libblkid/src/topology/topology.c
+++ b/libblkid/src/topology/topology.c
@@ -222,14 +222,13 @@ static int topology_set_value(blkid_probe pr, const char *name,
 		return 0;	/* ignore zeros */
 
 	if (chn->binary) {
-		unsigned long *v =
-			(unsigned long *) (chn->data + structoff);
-		*v = data;
+		memcpy(chn->data + structoff, &data, sizeof(data));
 		return 0;
 	}
 	return blkid_probe_sprintf_value(pr, name, "%llu", data);
 }
 
+
 /* the topology info is complete when we have at least "minimum_io_size" which
  * is provided by all blkid topology drivers */
 static int topology_is_complete(blkid_probe pr)