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  • Andrey Borzenkov's avatar
    orinoco: move kmalloc(..., GFP_KERNEL) outside spinlock in orinoco_ioctl_set_genie · 7fe99c4e
    Andrey Borzenkov authored
    
    
    [   56.923623] BUG: sleeping function called from invalid context at /home/bor/src/linux-git/mm/slub.c:1599
    [   56.923644] in_atomic(): 0, irqs_disabled(): 1, pid: 3031, name: wpa_supplicant
    [   56.923656] 2 locks held by wpa_supplicant/3031:
    [   56.923662]  #0:  (rtnl_mutex){--..}, at: [<c02abd1f>] rtnl_lock+0xf/0x20
    [   56.923703]  #1:  (&priv->lock){++..}, at: [<dfc840c2>] orinoco_ioctl_set_genie+0x52/0x130 [orinoco]
    [   56.923782] irq event stamp: 910
    [   56.923788] hardirqs last  enabled at (909): [<c01957db>] __kmalloc+0x7b/0x140
    [   56.923820] hardirqs last disabled at (910): [<c0309419>] _spin_lock_irqsave+0x19/0x80
    [   56.923847] softirqs last  enabled at (880): [<c0124f54>] __do_softirq+0xc4/0x110
    [   56.923865] softirqs last disabled at (871): [<c01049ae>] do_softirq+0x8e/0xe0
    [   56.923895] Pid: 3031, comm: wpa_supplicant Not tainted 2.6.29-rc2-1avb #1
    [   56.923905] Call Trace:
    [   56.923919]  [<c01049ae>] ? do_softirq+0x8e/0xe0
    [   56.923941]  [<c011ad12>] __might_sleep+0xd2/0x100
    [   56.923952]  [<c0195837>] __kmalloc+0xd7/0x140
    [   56.923963]  [<c030946a>] ? _spin_lock_irqsave+0x6a/0x80
    [   56.923981]  [<dfc840e9>] ? orinoco_ioctl_set_genie+0x79/0x130 [orinoco]
    [   56.923999]  [<dfc840c2>] ? orinoco_ioctl_set_genie+0x52/0x130 [orinoco]
    [   56.924017]  [<dfc840e9>] orinoco_ioctl_set_genie+0x79/0x130 [orinoco]
    [   56.924036]  [<c0209325>] ? copy_from_user+0x35/0x130
    [   56.924061]  [<c02ffd96>] ioctl_standard_call+0x196/0x380
    [   56.924085]  [<c029f945>] ? __dev_get_by_name+0x85/0xb0
    [   56.924096]  [<c02ff88f>] wext_handle_ioctl+0x14f/0x230
    [   56.924113]  [<dfc84070>] ? orinoco_ioctl_set_genie+0x0/0x130 [orinoco]
    [   56.924132]  [<c02a3da5>] dev_ioctl+0x495/0x570
    [   56.924155]  [<c0293e05>] ? sys_sendto+0xa5/0xd0
    [   56.924171]  [<c0142fe8>] ? mark_held_locks+0x48/0x90
    [   56.924183]  [<c0292880>] ? sock_ioctl+0x0/0x280
    [   56.924193]  [<c029297d>] sock_ioctl+0xfd/0x280
    [   56.924203]  [<c0292880>] ? sock_ioctl+0x0/0x280
    [   56.924235]  [<c01a51d0>] vfs_ioctl+0x20/0x80
    [   56.924246]  [<c01a53e2>] do_vfs_ioctl+0x72/0x570
    [   56.924257]  [<c0293e62>] ? sys_send+0x32/0x40
    [   56.924268]  [<c02947c0>] ? sys_socketcall+0x1d0/0x2a0
    [   56.924280]  [<c010339f>] ? sysenter_exit+0xf/0x16
    [   56.924292]  [<c01a5919>] sys_ioctl+0x39/0x70
    [   56.924302]  [<c0103371>] sysenter_do_call+0x12/0x31
    
    Signed-off-by: default avatarAndrey Borzenkov <arvidjaar@mail.ru>
    Cc: stable@kernel.org
    Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
    7fe99c4e