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| author | Stanislaw Gruszka <[email protected]> | 2014-02-19 09:29:01 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2014-02-26 23:46:42 +0000 |
| commit | a1227f3c1030e96ebc51d677d2f636268845c5fb (patch) | |
| tree | a886ebd7fb7102a20de3a9fca88bee7efc3f8794 /lib/dma-debug.c | |
| parent | USB: ftdi_sio: add Cressi Leonardo PID (diff) | |
| download | kernel-a1227f3c1030e96ebc51d677d2f636268845c5fb.tar.gz kernel-a1227f3c1030e96ebc51d677d2f636268845c5fb.zip | |
usb: ehci: fix deadlock when threadirqs option is used
ehci_irq() and ehci_hrtimer_func() can deadlock on ehci->lock when
threadirqs option is used. To prevent the deadlock use
spin_lock_irqsave() in ehci_irq().
This change can be reverted when hrtimer callbacks become threaded.
Signed-off-by: Stanislaw Gruszka <[email protected]>
Cc: stable <[email protected]>
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'lib/dma-debug.c')
0 files changed, 0 insertions, 0 deletions