can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
authorMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 20 Oct 2010 00:02:25 +0000 (00:02 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 Oct 2010 11:27:03 +0000 (04:27 -0700)
commit5601b2dfae86198667dd6e075a074fbef0c83423
treef099538e1603c4c326228cd4cd21cf1c055b3938
parent1e55659ce6ddb5247cee0b1f720d77a799902b85
can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set

Commit d3cd15657516141adce387810be8cb377baf020e introduced a bug, the
interrupt handler would loop endlessly if the CANINTF_MERRF bit is set,
because it's not cleared.

This patch fixes the problem by masking out the CANINTF_MERRF and all other
non interesting bits.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/can/mcp251x.c