sch_dsmark: Fix uninitialized variable warning.

We still need to initialize err to -EINVAL for
the case where 'opt' is NULL in dsmark_init().

Fixes: 6529eaba33 ("net: sched: introduce tcf block infractructure")
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-05-17 16:03:16 -04:00
commit 9d4f97f97b