Kernel oops with current hg (ir-sysfs.c ?)

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I guess it is a similar problem like the one that was solved a few months ago with this patch:
http://article.gmane.org/gmane.linux.drivers.video-input-infrastructure/14232

I compiled the current v4l-dvb hg against the 2.6.32 Ubuntu 10.04 kernel


May 24 13:30:22 ubuntuvdr1 kernel: [    5.629408] DVB: registering new adapter (TT-Budget C-1501 PCI)
May 24 13:30:22 ubuntuvdr1 kernel: [    5.646949] tda9887 3-0043: i2c i/o error: rc == -5 (should be 4)
May 24 13:30:22 ubuntuvdr1 kernel: [    5.649823] tda9887 3-0043: i2c i/o error: rc == -5 (should be 4)
May 24 13:30:22 ubuntuvdr1 kernel: [    5.666028] adapter has MAC addr = 00:d0:5c:c6:5a:11
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692518] Registered IR keymap rc-tt-1500
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692545] BUG: unable to handle kernel NULL pointer dereference at (null)
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692554] IP: [<f825bd7e>] ir_register_class+0x3e/0x190 [ir_core]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692566] *pde = 00000000
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692571] Oops: 0000 [#1] SMP
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692575] last sysfs file: /sys/module/ir_core/initstate
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692580] Modules linked in: rc_tt_1500 tda10021 snd_hda_codec_realtek tuner_simple tuner_types tda9887 tda8290 tuner msp3400 snd_hda_intel$
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692659]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692663] Pid: 375, comm: modprobe Not tainted (2.6.32-22-generic #33-Ubuntu) M56S-S3
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692669] EIP: 0060:[<f825bd7e>] EFLAGS: 00010246 CPU: 0
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692677] EIP is at ir_register_class+0x3e/0x190 [ir_core]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692681] EAX: 00000000 EBX: f6375000 ECX: 00000000 EDX: 00000100
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692686] ESI: f4fa6000 EDI: 00000000 EBP: f61d5d78 ESP: f61d5d4c
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692691]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692697] Process modprobe (pid: 375, ti=f61d4000 task=f61b6680 task.ti=f61d4000)
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692704] Stack:
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692707]  00000246 f825ba47 c24054e0 f825ba47 001d5d64 00000128 f4fa6000 0000003f
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692717] <0> faee9068 00000027 f4fa6000 f61d5db0 f825bb7c 0000009f 00000000 f8ce32ef
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692728] <0> c0588f82 f825cc11 00000296 f637513c f6375120 f6375000 f6827000 f4fa6000
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692741] Call Trace:
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692750]  [<f825ba47>] ? __ir_input_register+0x167/0x350 [ir_core]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692759]  [<f825ba47>] ? __ir_input_register+0x167/0x350 [ir_core]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692769]  [<f825bb7c>] ? __ir_input_register+0x29c/0x350 [ir_core]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692779]  [<c0588f82>] ? printk+0x1d/0x23
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692789]  [<f8ce1153>] ? budget_ci_attach+0x193/0xd80 [budget_ci]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692800]  [<f81ffeac>] ? saa7146_init_one+0x7dc/0x860 [saa7146]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692811]  [<c01078d0>] ? dma_generic_alloc_coherent+0x0/0xc0
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692821]  [<c0363883>] ? local_pci_probe+0x13/0x20
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692827]  [<c0364688>] ? pci_device_probe+0x68/0x90
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692835]  [<c03e688d>] ? really_probe+0x4d/0x140
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692843]  [<c03ed19e>] ? pm_runtime_barrier+0x4e/0xc0
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692850]  [<c03e69bc>] ? driver_probe_device+0x3c/0x60
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692857]  [<c03e6a61>] ? __driver_attach+0x81/0x90
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692864]  [<c03e5ea3>] ? bus_for_each_dev+0x53/0x80
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692871]  [<c03e675e>] ? driver_attach+0x1e/0x20
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692877]  [<c03e69e0>] ? __driver_attach+0x0/0x90
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692884]  [<c03e6125>] ? bus_add_driver+0xd5/0x280
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692890]  [<c03645c0>] ? pci_device_remove+0x0/0x40
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692897]  [<c03e6d5a>] ? driver_register+0x6a/0x130
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692903]  [<c03648c5>] ? __pci_register_driver+0x45/0xb0
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692913]  [<f81fed63>] ? saa7146_register_extension+0x53/0x90 [saa7146]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692923]  [<f8ce700d>] ? budget_ci_init+0xd/0xf [budget_ci]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692929]  [<c0101131>] ? do_one_initcall+0x31/0x190
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692937]  [<f8ce7000>] ? budget_ci_init+0x0/0xf [budget_ci]
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692945]  [<c0182340>] ? sys_init_module+0xb0/0x210
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692951]  [<c01033ec>] ? syscall_call+0x7/0xb
May 24 13:30:22 ubuntuvdr1 kernel: [    5.692956] Code: 00 89 c6 8d 80 a0 07 00 00 e8 bf a7 18 c8 ba 00 01 00 00 89 c3 b8 0c d4 25 f8 e8 6e ec 0e c8 89 c7 85 ff 78 6f 8b 83 44 01 $
May 24 13:30:22 ubuntuvdr1 kernel: [    5.693003] EIP: [<f825bd7e>] ir_register_class+0x3e/0x190 [ir_core] SS:ESP 0068:f61d5d4c
May 24 13:30:22 ubuntuvdr1 kernel: [    5.693015] CR2: 0000000000000000
May 24 13:30:22 ubuntuvdr1 kernel: [    5.693020] ---[ end trace 2c915ef882a2f862 ]---
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