scsi: dpt_i2o: Do not process completions with invalid addresses
adpt_isr() reads reply addresses from a hardware register, which should always be within the DMA address range of the device's pool of reply address buffers. In case the address is out of range, it tries to muddle on, converting to a virtual address using bus_to_virt(). bus_to_virt() does not take DMA addresses, and it doesn't make sense to try to handle the completion in this case. Ignore it and continue looping to service the interrupt. If a completion has been lost then the SCSI core should eventually time-out and trigger a reset. There is no corresponding upstream commit, because this driver was removed upstream. Fixes: 67af2b06 ("[SCSI] dpt_i2o: move from virt_to_bus/bus_to_virt ...") Signed-off-by:Ben Hutchings <benh@debian.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
e2897f13
Please register or sign in to comment