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authorStanislaw Gruszka <sgruszka@redhat.com>2014-02-19 10:29:01 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-26 15:46:42 -0800
commita1227f3c1030e96ebc51d677d2f636268845c5fb (patch)
treea886ebd7fb7102a20de3a9fca88bee7efc3f8794 /arch
parent6dbd46c849e071e6afc1e0cad489b0175bca9318 (diff)
downloadlinux-a1227f3c1030e96ebc51d677d2f636268845c5fb.tar.bz2
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')
0 files changed, 0 insertions, 0 deletions