diff options
| author | Vincent <vincent.stehle@laposte.net> | 2016-08-14 15:38:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-14 21:32:05 -0700 |
| commit | eb8fc32354aa77678dc6e7950a8f0c79cace204f (patch) | |
| tree | 618e26f1a138afe76804e4e215686ea1231c99cb /drivers | |
| parent | 4cf0b354d92ee2c642532ee39e330f8f580fd985 (diff) | |
| download | lwn-eb8fc32354aa77678dc6e7950a8f0c79cace204f.tar.gz lwn-eb8fc32354aa77678dc6e7950a8f0c79cace204f.zip | |
mlxsw: spectrum_router: Fix use after free
In mlxsw_sp_router_fib4_add_info_destroy(), the fib_entry pointer is used
after it has been freed by mlxsw_sp_fib_entry_destroy(). Use a temporary
variable to fix this.
Fixes: 61c503f976b5449e ("mlxsw: spectrum_router: Implement fib4 add/del switchdev obj ops")
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Cc: Jiri Pirko <jiri@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 81418d629231..90bb93b037ec 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1651,9 +1651,10 @@ static void mlxsw_sp_router_fib4_add_info_destroy(void const *data) const struct mlxsw_sp_router_fib4_add_info *info = data; struct mlxsw_sp_fib_entry *fib_entry = info->fib_entry; struct mlxsw_sp *mlxsw_sp = info->mlxsw_sp; + struct mlxsw_sp_vr *vr = fib_entry->vr; mlxsw_sp_fib_entry_destroy(fib_entry); - mlxsw_sp_vr_put(mlxsw_sp, fib_entry->vr); + mlxsw_sp_vr_put(mlxsw_sp, vr); kfree(info); } |