Comment 9 for bug 1020650

unfortunately the ralink/mediatek driver does not seem to work with 3.7.6:

my machine freezes after:

[10782.860470] rtusb init rt2870 --->
[10782.860523]
[10782.860523]
[10782.860523] === pAd = ffffc90019081000, size = 589888 ===
[10782.860523]
[10782.860550] <-- RTMPAllocAdapterBlock, Status=0
[10782.861009] NVM is EFUSE
[10782.861028] BUG: unable to handle kernel NULL pointer dereference at (null)
[10782.861728] IP: [<ffffffff81494087>] register_netdevice+0x77/0x2c0
[10782.862433] PGD 109626067 PUD 1142a5067 PMD 0
[10782.863135] Oops: 0000 [#1] PREEMPT SMP
[10782.863823] Modules linked in: rt5572sta(O+) rt2800usb rt2800lib crc_ccitt rt2x00usb rt2x00lib rtl8192cu arc4 rtl8192c_common rtlwifi mac80211 cfg80211 ecryptfs sha256_generic encrypted_keys sha1_generic trusted tpm tpm_bios dm_crypt pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hdsp snd_pcm_oss snd_mixer_oss snd_pcm snd_hwdep snd_seq_dummy snd_seq_oss coretemp snd_seq_midi kvm_intel snd_rawmidi kvm snd_seq_midi_event snd_seq snd_timer bluetooth mxm_wmi snd_seq_device parport_pc ppdev serio_raw lpc_ich snd microcode soundcore snd_page_alloc mei nvidia(PO) wacom nfsd nfs_acl lp auth_rpcgss exportfs parport nfs fscache lockd sunrpc binfmt_misc btrfs zlib_deflate libcrc32c hid_generic usbhid hid firewire_ohci ghash_clmulni_intel firewire_core aesni_intel crc_itu_t ablk_helper cryptd lrw aes_x86_64 xts gf128mul r8169 ahci libahci i915 drm_kms_helper xhci_hcd drm i2c_algo_bit video [last unloaded: rtl8192cu]
[10782.869894] CPU 1
[10782.869900] Pid: 13289, comm: modprobe Tainted: P O 3.7.6 #4 Gigabyte Technology Co., Ltd. Z68X-UD3H-B3/Z68X-UD3H-B3
[10782.872299] RIP: 0010:[<ffffffff81494087>] [<ffffffff81494087>] register_netdevice+0x77/0x2c0
[10782.873131] RSP: 0018:ffff880109581b78 EFLAGS: 00010246
[10782.873953] RAX: 0000000000000000 RBX: ffff88041164d000 RCX: 0000000000000018
[10782.874775] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000306172
[10782.875599] RBP: ffff880109581b98 R08: ffff880109581c38 R09: 0000000000000000
[10782.876431] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[10782.877259] R13: ffffffff81a65700 R14: 0000000000000000 R15: ffff880109581d30
[10782.878076] FS: 00007fee6a081700(0000) GS:ffff88042fa40000(0000) knlGS:0000000000000000
[10782.878900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10782.879719] CR2: 0000000000000000 CR3: 000000010956a000 CR4: 00000000000407e0
[10782.880533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[10782.881345] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[10782.882152] Process modprobe (pid: 13289, threadinfo ffff880109580000, task ffff8801095ac600)
[10782.882959] Stack:
[10782.883760] ffff88041164d000 ffff88041164d000 ffff88041164d000 ffffc900062be000
[10782.884574] ffff880109581bb8 ffffffff814942e9 ffff880109581be8 ffff880109581c70
[10782.885379] ffff880109581be8 ffffffffa1048ab0 ffff88041164d000 ffff88041b852800
[10782.886177] Call Trace:
[10782.886965] [<ffffffff814942e9>] register_netdev+0x19/0x30
[10782.887751] [<ffffffffa1048ab0>] RtmpOSNetDevAttach+0x130/0x1a0 [rt5572sta]
[10782.888538] [<ffffffffa1058791>] rt2870_probe.isra.4+0x2f1/0x510 [rt5572sta]
[10782.889311] [<ffffffff81297bac>] ? ida_get_new_above+0x6c/0x2a0
[10782.890077] [<ffffffffa1049df0>] ? rt28xx_close+0x80/0x80 [rt5572sta]
[10782.890840] [<ffffffffa1049c40>] ? rt28xx_ioctl+0x70/0x70 [rt5572sta]
[10782.891589] [<ffffffffa104a100>] ? rt28xx_packet_xmit+0x40/0x40 [rt5572sta]
[10782.892333] [<ffffffffa1049bd0>] ? RT28xx_get_ether_stats+0x130/0x130 [rt5572sta]
[10782.893075] [<ffffffffa1049aa0>] ? RtmpOsTaskWakeUp+0x30/0x30 [rt5572sta]
[10782.893805] [<ffffffffa10589e5>] rtusb_probe+0x35/0x60 [rt5572sta]
[10782.894523] [<ffffffff813ee37f>] ? usb_unlocked_disable_lpm+0x3f/0x60
[10782.895237] [<ffffffff813facd1>] usb_probe_interface+0x191/0x250
[10782.895938] [<ffffffff81372f06>] driver_probe_device+0x76/0x240
[10782.896630] [<ffffffff8137316b>] __driver_attach+0x9b/0xa0
[10782.897310] [<ffffffff813730d0>] ? driver_probe_device+0x240/0x240
[10782.897980] [<ffffffff813712cd>] bus_for_each_dev+0x4d/0x90
[10782.898636] [<ffffffff81372a69>] driver_attach+0x19/0x20
[10782.899286] [<ffffffff81372630>] bus_add_driver+0x180/0x240
[10782.899935] [<ffffffff81373802>] driver_register+0x72/0x170
[10782.900569] [<ffffffff813f99c8>] usb_register_driver+0x88/0x160
[10782.901196] [<ffffffffa10a8000>] ? 0xffffffffa10a7fff
[10782.901807] [<ffffffffa10a8065>] init_module+0x65/0x1000 [rt5572sta]
[10782.902406] [<ffffffff81002162>] do_one_initcall+0x122/0x170
[10782.902994] [<ffffffff8109a7ab>] sys_init_module+0xbb/0x220
[10782.903568] [<ffffffff81590869>] system_call_fastpath+0x16/0x1b
[10782.904126] Code: 01 00 00 00 00 48 89 da 48 89 de c7 83 a4 00 00 00 ff ff ff ff 4c 89 ef e8 57 d9 ff ff 85 c0 41 89 c4 78 25 48 8b 83 78 01 00 00 <48> 8b 00 48 85 c0 74 29 48 89 df ff d0 83 f8 00 41 89 c4 74 1c
[10782.905309] RIP [<ffffffff81494087>] register_netdevice+0x77/0x2c0
[10782.905881] RSP <ffff880109581b78>
[10782.906436] CR2: 0000000000000000
[10782.909062] ---[ end trace c34e6e5bc4b854f6 ]---