Hi
I running Linux version linux-2.6.30. The system panic when I try to mount gadgetfs file system.
Can anybody help me?

the panic message is:
"mount -t gadgetfs none /dev/gadget
Unable to handle kernel NULL pointer dereference at virtual address 0000000c
pgd = c324c000
[0000000c] *pgd=73aeb031, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1]
Modules linked in: gadgetfs hx170dec(P) memalloc(P)
CPU: 0 Tainted: P (2.6.30 #40)
PC is at do_add_mount+0x90/0x118
LR is at do_add_mount+0x1c/0x118
pc : [<c008fcd4>] lr : [<c008fc60>] psr: 80000013
sp : c3ae5f20 ip : c39f1480 fp : 00000000
r10: c3244000 r9 : 00000000 r8 : 00000000
r7 : 00000020 r6 : 00000000 r5 : c3ae5f48 r4 : c380a8a0
r3 : 00000000 r2 : c39f1200 r1 : c380a0a0 r0 : c3ae5f48
Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: 7324c000 DAC: 00000015
Process mount (pid: 1236, stack limit = 0xc3ae4268)
Stack: (0xc3ae5f20 to 0xc3ae6000)
5f20: 00000000 00000020 c380a8a0 c3a39000 00000000 c0090ec0 0001b140 0001b140
5f40: c0ed0000 c3ae5f84 c380a0a0 c0cfef58 00019ba0 00000000 c3019000 0001b140
5f60: c0ed0000 c0023ea8 c3ae4000 00000000 00019ba0 c0090f78 00000000 c002a5c4
5f80: 400ee0f0 c3a39000 c3244000 00000000 c0ed0000 00000000 c0ed0000 be860aa4
5fa0: 00000015 c0023d00 00000000 c0ed0000 0001b140 0001b150 0001b160 c0ed0000
5fc0: 00000000 c0ed0000 be860aa4 00000015 00000000 0001ac70 0001b140 00019ba0
5fe0: 0001ac70 be86091c 0000a64b 400ee104 60000010 0001b140 00000000 00000000
[<c008fcd4>] (do_add_mount+0x90/0x118) from [<c0090ec0>] (do_mount+0x638/0x66c)
[<c0090ec0>] (do_mount+0x638/0x66c) from [<c0090f78>] (sys_mount+0x84/0xcc)
[<c0090f78>] (sys_mount+0x84/0xcc) from [<c0023d00>] (ret_fast_syscall+0x0/0x2c)
Code: e1520003 03e0500f 0a000017 e5943010 (e593300c)
---[ end trace 596339f3a3faa7fe ]---
Segmentation fault