X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=extras%2Fvolume_id%2Flib%2Flinux_raid.c;h=a9c5d61adca9b20f83799e7eb97e020061844abe;hp=b8a819f67172068bee9059ae31d0f5b36b5fcdd6;hb=ac77e95948edc199cdd690de38f08e4d1e615840;hpb=aa68c048f84b95fd982cb0fb2210ea740dbebc64

diff --git a/extras/volume_id/lib/linux_raid.c b/extras/volume_id/lib/linux_raid.c
index b8a819f67..a9c5d61ad 100644
--- a/extras/volume_id/lib/linux_raid.c
+++ b/extras/volume_id/lib/linux_raid.c
@@ -46,7 +46,8 @@ static struct mdp_super_block {
 } PACKED *mdp;
 
 #define MD_RESERVED_BYTES		0x10000
-#define MD_MAGIC			"\xa9\x2b\x4e\xfc"
+#define MD_MAGIC			"\xfc\x4e\x2b\xa9"
+#define MD_MAGIC_SWAP			"\xa9\x2b\x4e\xfc"
 
 int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
@@ -65,7 +66,8 @@ int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size
 		return -1;
 	mdp = (struct mdp_super_block *) buf;
 
-	if (memcmp(mdp->md_magic, MD_MAGIC, 4) != 0)
+	if ((memcmp(mdp->md_magic, MD_MAGIC, 4) != 0) &&
+	    (memcmp(mdp->md_magic, MD_MAGIC_SWAP, 4) != 0))
 		return -1;
 
 	memcpy(uuid, &mdp->set_uuid0, 4);