f2fs: fix sparse warnings

This patch fixes the below warning.

sparse warnings: (new ones prefixed by >>)

>> fs/f2fs/inode.c:56:23: sparse: restricted __le32 degrades to integer
>> fs/f2fs/inode.c:56:52: sparse: restricted __le32 degrades to integer

Reported-by: kbuild test robot <[e-mail]>
Signed-off-by: Jaegeuk Kim <[e-mail]>

fs/f2fs/inode.c

···
 
 static bool __written_first_block(struct f2fs_inode *ri)
 {
-	if (ri->i_addr[0] != NEW_ADDR && ri->i_addr[0] != NULL_ADDR)
+	block_t addr = le32_to_cpu(ri->i_addr[0]);
+
+	if (addr != NEW_ADDR && addr != NULL_ADDR)
 		return true;
 	return false;
 }