shithub: lwext4

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ext4_fs_inode_checksum: fix checksum calculation

If inode size is not large enough to hold 32bit checksum,
then return lower 16bit.

--- a/lwext4/ext4_fs.c

+++ b/lwext4/ext4_fs.c

@@ -700,6 +700,12 @@

 				inode_size);

 		ext4_inode_set_checksum(sb, inode_ref->inode,

 				orig_checksum);

+

+		/* If inode size is not large enough to hold the

+		 * upper 16bit of the checksum */

+		if (inode_size == EXT4_GOOD_OLD_INODE_SIZE)

+			checksum &= 0xFFFF;

+

 	}

 	return checksum;

 }