3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Oliver Hartkopp <socket...@hartkopp.net>
commit 81b401100c01d2357031e874689f89bd788d13cd upstream.
Set in the rx_ifindex to pass the correct interface index in the case of a
message timeout detection. Usually the rx_ifindex value is set at receive
time. But when no CAN frame has been received the RX_TIMEOUT notification
did not contain a valid value.
Reported-by: Andre Naujoks <nauts...@googlemail.com>
Signed-off-by: Oliver Hartkopp <socket...@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
net/can/bcm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 6f74758..969b7cd 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1084,6 +1084,9 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head,
struct msghdr *msg,
op->sk = sk;
op->ifindex = ifindex;
+ /* ifindex for timeout events w/o previous frame reception */
+ op->rx_ifindex = ifindex;
+
/* initialize uninitialized (kzalloc) structure */
hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
op->timer.function = bcm_rx_timeout_handler;
--
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