4399 	st->frag_data = NULL;  in skb_prepare_seq_read()
4436 		if (st->frag_data) {  in skb_seq_read()
4437 			kunmap_atomic(st->frag_data);  in skb_seq_read()
4438 			st->frag_data = NULL;  in skb_seq_read()
4446 	if (abs_offset < block_limit && !st->frag_data) {  in skb_seq_read()
4454 	if (st->frag_idx == 0 && !st->frag_data)  in skb_seq_read()
4475 			if (!st->frag_data)  in skb_seq_read()
4476 				st->frag_data = kmap_atomic(skb_frag_page(frag) + pg_idx);  in skb_seq_read()
4478 			*data = (u8 *)st->frag_data + pg_off +  in skb_seq_read()
4484 		if (st->frag_data) {  in skb_seq_read()
4485 			kunmap_atomic(st->frag_data);  in skb_seq_read()
4486 			st->frag_data = NULL;  in skb_seq_read()
4497 	if (st->frag_data) {  in skb_seq_read()
4498 		kunmap_atomic(st->frag_data);  in skb_seq_read()
4499 		st->frag_data = NULL;  in skb_seq_read()
4525 	if (st->frag_data)  in skb_abort_seq_read()
4526 		kunmap_atomic(st->frag_data);  in skb_abort_seq_read()