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authorPete Zaitcev <zaitcev@redhat.com>2006-09-18 22:57:22 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-27 11:59:00 -0700
commit71795c1df30b034414c921b4930ed88de34ca348 (patch)
tree962dc749e8d56bb90d9b40c2401d6519eca8f630 /drivers/isdn/i4l
parent38e2bfc94e95dd6005fdaf40dfec0157396741da (diff)
USB: ohci_usb can oops on shutdown
When ohci-hcd is shutting down (for rmmod or PC-card removal), there is a window when the device is shut down, HC communication area (->hcca) is freed, but the core has not called "free_irq" yet. If another device triggers a shared interrupt in this window, we oops when trying to access the freed ->hcca. This patch removes the window by calling free_irq before ->hcca is freed. The patch is tested at the PC hotplug test rig at Stratus, and with rmmod by Rafael Wysocki. Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/isdn/i4l')
0 files changed, 0 insertions, 0 deletions