generic/2.6.{29,30}: fix rootfs_split with squashfs4

SVN-Revision: 15867

target/linux/generic-2.6/patches-2.6.29/066-rootfs_split_squashfs4_fix.patch

+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -515,21 +515,21 @@ static int split_squashfs(struct mtd_inf
+ 		return -EINVAL;
+ 	}
+ 
+-	if (*((u32 *) buf) != SQUASHFS_MAGIC) {
++	if (SQUASHFS_MAGIC != le32_to_cpu(sb->s_magic) ) {
+ 		printk(KERN_ALERT "split_squashfs: no squashfs found in \"%s\"\n",
+ 			master->name);
+ 		*split_offset = 0;
+ 		return 0;
+ 	}
+ 
+-	if (sb->bytes_used <= 0) {
++	if (le64_to_cpu((sb->bytes_used)) <= 0) {
+ 		printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n",
+ 			master->name);
+ 		*split_offset = 0;
+ 		return 0;
+ 	}
+ 
+-	len = (u32) sb->bytes_used;
++	len = (u32) le64_to_cpu(sb->bytes_used);
+ 	len += (offset & 0x000fffff);
+ 	len +=  (master->erasesize - 1);
+ 	len &= ~(master->erasesize - 1);

target/linux/generic-2.6/patches-2.6.30/066-rootfs_split_squashfs4_fix.patch

+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -538,21 +538,21 @@ static int split_squashfs(struct mtd_inf
+ 		return -EINVAL;
+ 	}
+ 
+-	if (*((u32 *) buf) != SQUASHFS_MAGIC) {
++	if (SQUASHFS_MAGIC != le32_to_cpu(sb->s_magic) ) {
+ 		printk(KERN_ALERT "split_squashfs: no squashfs found in \"%s\"\n",
+ 			master->name);
+ 		*split_offset = 0;
+ 		return 0;
+ 	}
+ 
+-	if (sb->bytes_used <= 0) {
++	if (le64_to_cpu((sb->bytes_used)) <= 0) {
+ 		printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n",
+ 			master->name);
+ 		*split_offset = 0;
+ 		return 0;
+ 	}
+ 
+-	len = (u32) sb->bytes_used;
++	len = (u32) le64_to_cpu(sb->bytes_used);
+ 	len += (offset & 0x000fffff);
+ 	len +=  (master->erasesize - 1);
+ 	len &= ~(master->erasesize - 1);