name='generator' content='cgit v1.2.3-54-g00ecf'/>
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorWolfgang Grandegger <wg@grandegger.com>2016-06-13 15:44:19 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2016-06-20 09:32:40 +0200
commit43200a4480cbbe660309621817f54cbb93907108 (patch)
tree1334834bf844d7544a169d25ccef8c4cc21d4bb5
parent427460c83cdf55069eee49799a0caef7dde8df69 (diff)
can: at91_can: RX queue could get stuck at high bus load
At high bus load it could happen that "at91_poll()" enters with all RX message boxes filled up. If then at the end the "quota" is exceeded as well, "rx_next" will not be reset to the first RX mailbox and hence the interrupts remain disabled. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Tested-by: Amr Bekhit <amrbekhit@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>