diff options
| author | Tobias Waldekranz | 2015-02-05 14:52:06 +0100 |
|---|---|---|
| committer | David S. Miller | 2015-02-07 22:07:36 -0800 |
| commit | 6e0ba47f9191511a91556b7ca2c491362680a0f3 (patch) | |
| tree | 056bfafda797d81c2240e272e433efc194dae587 | |
| parent | 11b1f8288d4341af5d755281c871bff6c3e270dd (diff) | |
dsa: do not dereference non-existing routing table
In the case where there is only one switch, no routing table will have
been allocated, so do not dereference it in this case.
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/mv88e6131.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c index 1230f52aa70e..2540ef0142af 100644 --- a/drivers/net/dsa/mv88e6131.c +++ b/drivers/net/dsa/mv88e6131.c @@ -139,7 +139,8 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) int nexthop; nexthop = 0x1f; - if (i != ds->index && i < ds->dst->pd->nr_chips) + if (ds->pd->rtable && + i != ds->index && i < ds->dst->pd->nr_chips) nexthop = ds->pd->rtable[i] & 0x1f; REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop); |