add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/net/llc/af_llc.c
..
..
@@ -47,7 +47,7 @@
47
47
 #if 0
48
48
 #define dprintk(args...) printk(KERN_DEBUG args)
49
49
 #else
50
-#define dprintk(args...)
50
+#define dprintk(args...) do {} while (0)
51
51
 #endif
52
52
 
53
53
 /* Maybe we'll add some more in the future. */
..
..
@@ -276,6 +276,7 @@
276
276
 {
277
277
 	struct sock *sk = sock->sk;
278
278
 	struct llc_sock *llc = llc_sk(sk);
279
+	struct net_device *dev = NULL;
279
280
 	struct llc_sap *sap;
280
281
 	int rc = -EINVAL;
281
282
 
..
..
@@ -287,14 +288,14 @@
287
288
 		goto out;
288
289
 	rc = -ENODEV;
289
290
 	if (sk->sk_bound_dev_if) {
290
-		llc->dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
291
-		if (llc->dev && addr->sllc_arphrd != llc->dev->type) {
292
-			dev_put(llc->dev);
293
-			llc->dev = NULL;
291
+		dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
292
+		if (dev && addr->sllc_arphrd != dev->type) {
293
+			dev_put(dev);
294
+			dev = NULL;
294
295
 		}
295
296
 	} else
296
-		llc->dev = dev_getfirstbyhwtype(&init_net, addr->sllc_arphrd);
297
-	if (!llc->dev)
297
+		dev = dev_getfirstbyhwtype(&init_net, addr->sllc_arphrd);
298
+	if (!dev)
298
299
 		goto out;
299
300
 	rc = -EUSERS;
300
301
 	llc->laddr.lsap = llc_ui_autoport();
..
..
@@ -304,6 +305,11 @@
304
305
 	sap = llc_sap_open(llc->laddr.lsap, NULL);
305
306
 	if (!sap)
306
307
 		goto out;
308
+
309
+	/* Note: We do not expect errors from this point. */
310
+	llc->dev = dev;
311
+	dev = NULL;
312
+
307
313
 	memcpy(llc->laddr.mac, llc->dev->dev_addr, IFHWADDRLEN);
308
314
 	memcpy(&llc->addr, addr, sizeof(llc->addr));
309
315
 	/* assign new connection to its SAP */
..
..
@@ -311,6 +317,7 @@
311
317
 	sock_reset_flag(sk, SOCK_ZAPPED);
312
318
 	rc = 0;
313
319
 out:
320
+	dev_put(dev);
314
321
 	return rc;
315
322
 }
316
323
 
..
..
@@ -333,10 +340,9 @@
333
340
 	struct sockaddr_llc *addr = (struct sockaddr_llc *)uaddr;
334
341
 	struct sock *sk = sock->sk;
335
342
 	struct llc_sock *llc = llc_sk(sk);
343
+	struct net_device *dev = NULL;
336
344
 	struct llc_sap *sap;
337
345
 	int rc = -EINVAL;
338
-
339
-	dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
340
346
 
341
347
 	lock_sock(sk);
342
348
 	if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)))
..
..
@@ -346,28 +352,30 @@
346
352
 		addr->sllc_arphrd = ARPHRD_ETHER;
347
353
 	if (unlikely(addr->sllc_family != AF_LLC || addr->sllc_arphrd != ARPHRD_ETHER))
348
354
 		goto out;
355
+	dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
349
356
 	rc = -ENODEV;
350
357
 	rcu_read_lock();
351
358
 	if (sk->sk_bound_dev_if) {
352
-		llc->dev = dev_get_by_index_rcu(&init_net, sk->sk_bound_dev_if);
353
-		if (llc->dev) {
359
+		dev = dev_get_by_index_rcu(&init_net, sk->sk_bound_dev_if);
360
+		if (dev) {
354
361
 			if (is_zero_ether_addr(addr->sllc_mac))
355
-				memcpy(addr->sllc_mac, llc->dev->dev_addr,
362
+				memcpy(addr->sllc_mac, dev->dev_addr,
356
363
 				       IFHWADDRLEN);
357
-			if (addr->sllc_arphrd != llc->dev->type ||
364
+			if (addr->sllc_arphrd != dev->type ||
358
365
 			    !ether_addr_equal(addr->sllc_mac,
359
-					      llc->dev->dev_addr)) {
366
+					      dev->dev_addr)) {
360
367
 				rc = -EINVAL;
361
-				llc->dev = NULL;
368
+				dev = NULL;
362
369
 			}
363
370
 		}
364
-	} else
365
-		llc->dev = dev_getbyhwaddr_rcu(&init_net, addr->sllc_arphrd,
371
+	} else {
372
+		dev = dev_getbyhwaddr_rcu(&init_net, addr->sllc_arphrd,
366
373
 					   addr->sllc_mac);
367
-	if (llc->dev)
368
-		dev_hold(llc->dev);
374
+	}
375
+	if (dev)
376
+		dev_hold(dev);
369
377
 	rcu_read_unlock();
370
-	if (!llc->dev)
378
+	if (!dev)
371
379
 		goto out;
372
380
 	if (!addr->sllc_sap) {
373
381
 		rc = -EUSERS;
..
..
@@ -400,6 +408,11 @@
400
408
 			goto out_put;
401
409
 		}
402
410
 	}
411
+
412
+	/* Note: We do not expect errors from this point. */
413
+	llc->dev = dev;
414
+	dev = NULL;
415
+
403
416
 	llc->laddr.lsap = addr->sllc_sap;
404
417
 	memcpy(llc->laddr.mac, addr->sllc_mac, IFHWADDRLEN);
405
418
 	memcpy(&llc->addr, addr, sizeof(llc->addr));
..
..
@@ -410,6 +423,7 @@
410
423
 out_put:
411
424
 	llc_sap_put(sap);
412
425
 out:
426
+	dev_put(dev);
413
427
 	release_sock(sk);
414
428
 	return rc;
415
429
 }
..
..
@@ -718,7 +732,7 @@
718
732
 
719
733
 	/* put original socket back into a clean listen state. */
720
734
 	sk->sk_state = TCP_LISTEN;
721
-	sk->sk_ack_backlog--;
735
+	sk_acceptq_removed(sk);
722
736
 	dprintk("%s: ok success on %02X, client on %02X\n", __func__,
723
737
 		llc_sk(sk)->addr.sllc_sap, newllc->daddr.lsap);
724
738
 frees:
..
..
@@ -993,7 +1007,6 @@
993
1007
  *	llc_ui_getname - return the address info of a socket
994
1008
  *	@sock: Socket to get address of.
995
1009
  *	@uaddr: Address structure to return information.
996
- *	@uaddrlen: Length of address structure.
997
1010
  *	@peer: Does user want local or remote address information.
998
1011
  *
999
1012
  *	Return the address information of a socket.
..
..
@@ -1063,7 +1076,7 @@
1063
1076
  *	Set various connection specific parameters.
1064
1077
  */
1065
1078
 static int llc_ui_setsockopt(struct socket *sock, int level, int optname,
1066
-			     char __user *optval, unsigned int optlen)
1079
+			     sockptr_t optval, unsigned int optlen)
1067
1080
 {
1068
1081
 	struct sock *sk = sock->sk;
1069
1082
 	struct llc_sock *llc = llc_sk(sk);
..
..
@@ -1073,7 +1086,7 @@
1073
1086
 	lock_sock(sk);
1074
1087
 	if (unlikely(level != SOL_LLC || optlen != sizeof(int)))
1075
1088
 		goto out;
1076
-	rc = get_user(opt, (int __user *)optval);
1089
+	rc = copy_from_sockptr(&opt, optval, sizeof(opt));
1077
1090
 	if (rc)
1078
1091
 		goto out;
1079
1092
 	rc = -EINVAL;