diff --git a/[refs] b/[refs]
index 5681e065086f..bd3cb1770255 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4419d1ac7def3c2f74cab15e4a1c69cffcaadedd
+refs/heads/master: a470e18f53940e7bd07b09f01c0970f653e268bf
diff --git a/trunk/fs/partitions/msdos.c b/trunk/fs/partitions/msdos.c
index dafd3b6b2dc3..78443e07b3c4 100644
--- a/trunk/fs/partitions/msdos.c
+++ b/trunk/fs/partitions/msdos.c
@@ -68,10 +68,10 @@ static int aix_magic_present(unsigned char *p, struct block_device *bdev)
 	unsigned char *d;
 	int slot, ret = 0;
 
-	if (p[0] != AIX_LABEL_MAGIC1 &&
-		p[1] != AIX_LABEL_MAGIC2 &&
-		p[2] != AIX_LABEL_MAGIC3 &&
-		p[3] != AIX_LABEL_MAGIC4)
+	if (!(p[0] == AIX_LABEL_MAGIC1 &&
+		p[1] == AIX_LABEL_MAGIC2 &&
+		p[2] == AIX_LABEL_MAGIC3 &&
+		p[3] == AIX_LABEL_MAGIC4))
 		return 0;
 	/* Assume the partition table is valid if Linux partitions exists */
 	for (slot = 1; slot <= 4; slot++, pt++) {