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Oliver Hartkopp authored
In the case of hotplug enabled devices (PCMCIA/PCIeC) the removal of the hardware can cause an infinite loop in the common sja1000 isr. Use the already retrieved status register to indicate a possible hardware removal and double check by reading the mode register in sja1000_is_absent. Cc: stable@kernel.org [3.2+] Signed-off-by:
Oliver Hartkopp <socketcan@hartkopp.net> Acked-by:
Wolfgang Grandegger <wg@grandegger.com> Signed-off-by:
Marc Kleine-Budde <mkl@pengutronix.de>
a7762b10