Why do we see "kernel: WARNING: at drivers/net/bnx2x/bnx2x_main.c:8895 bnx2x_get_igu_cam_info()" messages for broadcom NICs in RHEL5?

Issue

• On RHEL 5.8, the following warning is seen at time of booting

kernel: GSI 31 sharing vector 0x53 and IRQ 31
kernel: ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 34 (level, low) -> IRQ 83
kernel: bnx2x 0000:01:00.0: part number 394D4342-30383735-30305430-473030
kernel: WARNING: at drivers/net/bnx2x/bnx2x_main.c:8895 bnx2x_get_igu_cam_info()
kernel: Call Trace:
kernel:  [<ffffffff883a28be>] :bnx2x:bnx2x_get_hwinfo+0x738/0x1ad5
kernel:  [<ffffffff8015eab1>] pci_bus_write_config_dword+0x5f/0x6e
kernel:  [<ffffffff883aca2a>] :bnx2x:bnx2x_init_one+0x750/0x1249
kernel:  [<ffffffff8016477f>] pci_device_probe+0x104/0x184
kernel:  [<ffffffff801ce87d>] driver_probe_device+0x64/0xbc
kernel:  [<ffffffff801ce9ac>] __driver_attach+0x65/0xb6
kernel:  [<ffffffff801ce947>] __driver_attach+0x0/0xb6
kernel:  [<ffffffff801ce172>] bus_for_each_dev+0x43/0x6e
kernel:  [<ffffffff801cdda7>] bus_add_driver+0x76/0x110
kernel:  [<ffffffff80164a9b>] __pci_register_driver+0x51/0xa6
kernel:  [<ffffffff88368059>] :bnx2x:bnx2x_init+0x59/0x7d
kernel:  [<ffffffff800a9dd4>] sys_init_module+0xbd/0x206
kernel:  [<ffffffff8005d116>] system_call+0x7e/0x83
kernel: