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| author | Stanislaw Gruszka | 2014-02-19 10:29:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2014-02-27 00:46:42 +0100 |
| commit | a1227f3c1030e96ebc51d677d2f636268845c5fb (patch) | |
| tree | a886ebd7fb7102a20de3a9fca88bee7efc3f8794 /arch/arm/mach-omap2/io.c | |
| parent | USB: ftdi_sio: add Cressi Leonardo PID (diff) | |
| download | kernel-qcow2-linux-a1227f3c1030e96ebc51d677d2f636268845c5fb.tar.gz kernel-qcow2-linux-a1227f3c1030e96ebc51d677d2f636268845c5fb.tar.xz kernel-qcow2-linux-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 <sgruszka@redhat.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-omap2/io.c')
0 files changed, 0 insertions, 0 deletions