Eric Dumazet 27e81a60fc qdisc: fix a module refcount leak in qdisc_create_dflt()
commit 166ee5b87866de07a3e56c1b757f2b5cabba72a5 upstream.

Should qdisc_alloc() fail, we must release the module refcount
we got right before.

Fixes: 6da7c8fcbcbd ("qdisc: allow setting default queuing discipline")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-10 10:26:29 +02:00
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