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mlxsw: spectrum_dpipe: Add missing error path

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[ Upstream commit 3a99cbb6fa7bca1995586ec2dc21b0368aad4937 ]

In case devlink_dpipe_entry_ctx_prepare() failed, release RTNL that was
previously taken and free the memory allocated by
mlxsw_sp_erif_entry_prepare().

Fixes: 2ba5999f009d ("mlxsw: spectrum: Add Support for erif table entries access")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ido Schimmel 2020-02-07 19:26:28 +02:00 committed by Greg Kroah-Hartman
parent a4ba26c880
commit bc99bd6e85
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
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@ -225,7 +225,7 @@ mlxsw_sp_dpipe_table_erif_entries_dump(void *priv, bool counters_enabled,
start_again:
err = devlink_dpipe_entry_ctx_prepare(dump_ctx);
if (err)
return err;
goto err_ctx_prepare;
j = 0;
for (; i < rif_count; i++) {
struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
@ -257,6 +257,7 @@ start_again:
return 0;
err_entry_append:
err_entry_get:
err_ctx_prepare:
rtnl_unlock();
devlink_dpipe_entry_clear(&entry);
return err;