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| author |   Oliver Hartkopp <socketcan@hartkopp.net> | 2012-02-15 17:51:56 +0100 |
|---|---|---|
| committer |   Marc Kleine-Budde <mkl@pengutronix.de> | 2012-02-20 11:36:56 +0100 |
| commit | a7762b10c12a70c5dbf2253142764b728ac88c3a (patch) | |
| tree | dd2dba7c245118fee835fb72935ff885e7fddda8 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | b44: remove __exit from b44_pci_exit() (diff) | |
| download | wireguard-linux-a7762b10c12a70c5dbf2253142764b728ac88c3a.tar.xz wireguard-linux-a7762b10c12a70c5dbf2253142764b728ac88c3a.zip | |
can: sja1000: fix isr hang when hw is unplugged under load
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>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions