change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/ipc/shm.c
..
..
@@ -711,7 +711,7 @@
711
711
 			ns->shm_tot + numpages > ns->shm_ctlall)
712
712
 		return -ENOSPC;
713
713
 
714
-	shp = kvmalloc(sizeof(*shp), GFP_KERNEL);
714
+	shp = kvmalloc(sizeof(*shp), GFP_KERNEL_ACCOUNT);
715
715
 	if (unlikely(!shp))
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716
 		return -ENOMEM;
717
717
 
..
..
@@ -807,8 +807,7 @@
807
807
 /*
808
808
  * Called with shm_ids.rwsem and ipcp locked.
809
809
  */
810
-static inline int shm_more_checks(struct kern_ipc_perm *ipcp,
811
-				struct ipc_params *params)
810
+static int shm_more_checks(struct kern_ipc_perm *ipcp, struct ipc_params *params)
812
811
 {
813
812
 	struct shmid_kernel *shp;
814
813
 
..
..
@@ -1233,16 +1232,15 @@
1233
1232
 	return err;
1234
1233
 }
1235
1234
 
1236
-long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
1235
+static long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf, int version)
1237
1236
 {
1238
-	int err, version;
1237
+	int err;
1239
1238
 	struct ipc_namespace *ns;
1240
1239
 	struct shmid64_ds sem64;
1241
1240
 
1242
1241
 	if (cmd < 0 || shmid < 0)
1243
1242
 		return -EINVAL;
1244
1243
 
1245
-	version = ipc_parse_version(&cmd);
1246
1244
 	ns = current->nsproxy->ipc_ns;
1247
1245
 
1248
1246
 	switch (cmd) {
..
..
@@ -1277,7 +1275,7 @@
1277
1275
 	case IPC_SET:
1278
1276
 		if (copy_shmid_from_user(&sem64, buf, version))
1279
1277
 			return -EFAULT;
1280
-		/* fallthru */
1278
+		fallthrough;
1281
1279
 	case IPC_RMID:
1282
1280
 		return shmctl_down(ns, shmid, cmd, &sem64);
1283
1281
 	case SHM_LOCK:
..
..
@@ -1290,17 +1288,31 @@
1290
1288
 
1291
1289
 SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
1292
1290
 {
1293
-	return ksys_shmctl(shmid, cmd, buf);
1291
+	return ksys_shmctl(shmid, cmd, buf, IPC_64);
1294
1292
 }
1293
+
1294
+#ifdef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
1295
+long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
1296
+{
1297
+	int version = ipc_parse_version(&cmd);
1298
+
1299
+	return ksys_shmctl(shmid, cmd, buf, version);
1300
+}
1301
+
1302
+SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
1303
+{
1304
+	return ksys_old_shmctl(shmid, cmd, buf);
1305
+}
1306
+#endif
1295
1307
 
1296
1308
 #ifdef CONFIG_COMPAT
1297
1309
 
1298
1310
 struct compat_shmid_ds {
1299
1311
 	struct compat_ipc_perm shm_perm;
1300
1312
 	int shm_segsz;
1301
-	compat_time_t shm_atime;
1302
-	compat_time_t shm_dtime;
1303
-	compat_time_t shm_ctime;
1313
+	old_time32_t shm_atime;
1314
+	old_time32_t shm_dtime;
1315
+	old_time32_t shm_ctime;
1304
1316
 	compat_ipc_pid_t shm_cpid;
1305
1317
 	compat_ipc_pid_t shm_lpid;
1306
1318
 	unsigned short shm_nattch;
..
..
@@ -1415,11 +1427,10 @@
1415
1427
 	}
1416
1428
 }
1417
1429
 
1418
-long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr)
1430
+static long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr, int version)
1419
1431
 {
1420
1432
 	struct ipc_namespace *ns;
1421
1433
 	struct shmid64_ds sem64;
1422
-	int version = compat_ipc_parse_version(&cmd);
1423
1434
 	int err;
1424
1435
 
1425
1436
 	ns = current->nsproxy->ipc_ns;
..
..
@@ -1459,13 +1470,12 @@
1459
1470
 	case IPC_SET:
1460
1471
 		if (copy_compat_shmid_from_user(&sem64, uptr, version))
1461
1472
 			return -EFAULT;
1462
-		/* fallthru */
1473
+		fallthrough;
1463
1474
 	case IPC_RMID:
1464
1475
 		return shmctl_down(ns, shmid, cmd, &sem64);
1465
1476
 	case SHM_LOCK:
1466
1477
 	case SHM_UNLOCK:
1467
1478
 		return shmctl_do_lock(ns, shmid, cmd);
1468
-		break;
1469
1479
 	default:
1470
1480
 		return -EINVAL;
1471
1481
 	}
..
..
@@ -1474,8 +1484,22 @@
1474
1484
 
1475
1485
 COMPAT_SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, void __user *, uptr)
1476
1486
 {
1477
-	return compat_ksys_shmctl(shmid, cmd, uptr);
1487
+	return compat_ksys_shmctl(shmid, cmd, uptr, IPC_64);
1478
1488
 }
1489
+
1490
+#ifdef CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
1491
+long compat_ksys_old_shmctl(int shmid, int cmd, void __user *uptr)
1492
+{
1493
+	int version = compat_ipc_parse_version(&cmd);
1494
+
1495
+	return compat_ksys_shmctl(shmid, cmd, uptr, version);
1496
+}
1497
+
1498
+COMPAT_SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, void __user *, uptr)
1499
+{
1500
+	return compat_ksys_old_shmctl(shmid, cmd, uptr);
1501
+}
1502
+#endif
1479
1503
 #endif
1480
1504
 
1481
1505
 /*
..
..
@@ -1614,7 +1638,7 @@
1614
1638
 	if (err)
1615
1639
 		goto out_fput;
1616
1640
 
1617
-	if (down_write_killable(&current->mm->mmap_sem)) {
1641
+	if (mmap_write_lock_killable(current->mm)) {
1618
1642
 		err = -EINTR;
1619
1643
 		goto out_fput;
1620
1644
 	}
..
..
@@ -1628,13 +1652,13 @@
1628
1652
 			goto invalid;
1629
1653
 	}
1630
1654
 
1631
-	addr = do_mmap_pgoff(file, addr, size, prot, flags, 0, &populate, NULL);
1655
+	addr = do_mmap(file, addr, size, prot, flags, 0, &populate, NULL);
1632
1656
 	*raddr = addr;
1633
1657
 	err = 0;
1634
1658
 	if (IS_ERR_VALUE(addr))
1635
1659
 		err = (long)addr;
1636
1660
 invalid:
1637
-	up_write(&current->mm->mmap_sem);
1661
+	mmap_write_unlock(current->mm);
1638
1662
 	if (populate)
1639
1663
 		mm_populate(addr, populate);
1640
1664
 
..
..
@@ -1709,7 +1733,7 @@
1709
1733
 	if (addr & ~PAGE_MASK)
1710
1734
 		return retval;
1711
1735
 
1712
-	if (down_write_killable(&mm->mmap_sem))
1736
+	if (mmap_write_lock_killable(mm))
1713
1737
 		return -EINTR;
1714
1738
 
1715
1739
 	/*
..
..
@@ -1797,7 +1821,7 @@
1797
1821
 
1798
1822
 #endif
1799
1823
 
1800
-	up_write(&mm->mmap_sem);
1824
+	mmap_write_unlock(mm);
1801
1825
 	return retval;
1802
1826
 }
1803
1827