ext4: Fix goal inum check in the inode allocator

The goal inode is specificed by inode number which belongs
to [1; s_inodes_count].

Signed-off-by: Johann Lombardi <[e-mail]>
Signed-off-by: "Theodore Ts'o" <[e-mail]>

fs/ext4/ialloc.c

···
 	if (!goal)
 		goal = sbi->s_inode_goal;
 
-	if (goal && goal < le32_to_cpu(sbi->s_es->s_inodes_count)) {
+	if (goal && goal <= le32_to_cpu(sbi->s_es->s_inodes_count)) {
 		group = (goal - 1) / EXT4_INODES_PER_GROUP(sb);
 		ino = (goal - 1) % EXT4_INODES_PER_GROUP(sb);
 		ret2 = 0;