drivers: vxlan: vnifilter: free percpu vni stats on error path

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commit b1c936e9af upstream.

In case rhashtable_lookup_insert_fast() fails inside vxlan_vni_add(), the
allocated percpu vni stats are not freed on the error path.

Introduce vxlan_vni_free() which would work as a nice wrapper to free
vxlan_vni_node resources properly.

Found by Linux Verification Center (linuxtesting.org).

Fixes: 4095e0e132 ("drivers: vxlan: vnifilter: per vni stats")
Suggested-by: Ido Schimmel <idosch@idosch.org>
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Fedor Pchelkin 2023-08-04 18:53:36 +03:00 • committed by Greg Kroah-Hartman

parent eeb0e4c1db

commit bcbc48b120

1 changed files with 8 additions and 3 deletions

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drivers/net/vxlan/vxlan_vnifilter.c

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