Kernel panic in emcpInitPartitions() function of kernel module emcp.

Issue

• Kernel panic with following call traces.

BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
f8b2c29b
*pde = 0071c001
Oops: 0000 [#1]
SMP 
last sysfs file: /devices/pci0000:00/0000:00:01.0/0000:03:00.0/0000:04:01.0/0000:07:00.0/0000:08:00.0/irq
Modules linked in: nfs fscache ipt_MASQUERADE iptable_nat ip_nat xt_state ip_conntrack nfnetlink ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge mptctl ipmi_si(U) ipmi_devintf(U) ipmi_msghandler(U) nfsd exportfs lockd nfs_acl autofs4 hp_ilo(U) hidp rfcomm l2cap bluetooth sunrpc bonding ipv6 emcpdm(U) emcpgpx(U) emcpmpx(U) emcp(U) dm_mirror dm_multipath dm_mod video sbs backlight i2c_ec i2c_core button battery asus_acpi ac parport_pc lp parport st sg ide_cd cdrom bnx2 pcspkr serio_raw mptsas scsi_transport_sas lpfc scsi_transport_fc ata_piix libata mptspi mptscsih scsi_transport_spi mptbase cciss sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd
CPU:    12
EIP:    0060:[<f8b2c29b>]    Tainted: P      VLI
EFLAGS: 00010246   (2.6.18-53.el5PAE #1) 
EIP is at emcpInitPartitions+0x5b/0x200 [emcp]      
eax: f7287c80   ebx: 00000000   ecx: 00000000   edx: f7287cd4
esi: 00000000   edi: 00800000   ebp: f7d3c680   esp: f6983f4c
ds: 007b   es: 007b   ss: 0068
Process emcpdefd (pid: 4911, ti=f6983000 task=f6bc3550 task.ti=f6983000)
Stack: 00000000 f7c64b05 04200070 f8a7d004 f8b2d56b 00000004 00000000 f7287cd4 
       f7287c80 00000000 00000000 00000001 00800000 f7d3c680 f8b2d7f2 00000002 
       e6605dc4 00000000 e6605dc4 00000002 f8a7d004 f8afb51a 00000000 f6c6b540 
Call Trace:
 [<f8b2d56b>] EmsLnxDevForDeviceId+0xdb/0xf0 [emcp]
 [<f8b2d7f2>] emcpFixupPartitionTables+0xa2/0x100 [emcp]
 [<f8afb51a>] MpxLnxUpdatePart+0xaa/0x110 [emcpmpx]
 [<f8afb470>] MpxLnxUpdatePart+0x0/0x110 [emcpmpx]
 [<f8b31f1b>] PowerServiceDaemonQ+0x5b/0xb0 [emcp]
 [<f8b31ec0>] PowerServiceDaemonQ+0x0/0xb0 [emcp]
 [<c0405c3b>] kernel_thread_helper+0x7/0x10
 =======================
Code: 53 04 89 01 8b 43 08 89 51 04 8b 53 0c 89 41 08 89 51 0c 8b 45 08 83 e8 01 39 f0 7e 43 8b 44 24 20 8d 0c b5 00 00 00 00 03 48 2c <8b> 11 89 54 24 18 8b 45 2c 8b 1c b0 85 db 75 b7 8b 44 24 18 85 
EIP: [<f8b2c29b>] emcpInitPartitions+0x5b/0x200 [emcp] SS:ESP 0068:f6983f4c