rndis gadget: Inconsistent locking

Neil Jones
2010-12-08T15:03:45Z

Hi,

Im getting another lockdep warning when using the RNDIS gadget:

WARNING: at kernel/softirq.c:98 ___local_bh_disable+0xc4/0xd0()
Modules linked in: g_ether

Call trace:
[<40003bf8>] _show_stack+0x68/0x7c
[<40003c20>] _dump_stack+0x14/0x28
[<40013c3c>] _warn_slowpath_common+0x5c/0x7c
[<40013c74>] _warn_slowpath_null+0x18/0x2c
[<4001b17c>] ___local_bh_disable+0xc0/0xd0
[<4001b1a0>] _local_bh_disable+0x14/0x28
[<402e57f8>] __raw_spin_lock_bh+0x18/0x54
[<40257f4c>] _dev_txq_stats_fold+0x7c/0x13c
[<402580c4>] _dev_get_stats+0xb8/0xc0
[<781d4e60>] _rndis_msg_parser+0x288/0xa04 [g_ether]
[<781d5600>] _rndis_command_complete+0x24/0x70 [g_ether]
[<401d66fc>] _dwc_otg_request_done+0xd8/0x220
[<401d928c>] _ep0_complete_request+0x3f4/0x578
[<401d95bc>] _handle_ep0+0x1ac/0x146c
[<401daf7c>] _dwc_otg_pcd_handle_in_ep_intr+0x1c0/0x8bc
[<401db8dc>] _dwc_otg_pcd_handle_intr+0x264/0x294
[<401d6288>] _dwc_otg_pcd_irq+0x10/0x30
[<40054cf4>] _handle_IRQ_event+0x4c/0x184
[<40057b4c>] _handle_level_irq+0xac/0x15c
[<4000b204>] _metag_soc_irq_demux+0xac/0xb4
[<40002dd4>] _do_IRQ+0x4c/0x78
[<40004000>] _trigger_handler+0x38/0xac
[<40000b18>] ___TBIBoingVec+0xc/0x10
[<40003588>] _cpu_idle+0x54/0x78

no locks held by swapper/0.
---[ end trace 77ac3cfee0ae5b25 ]---

It
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