ice: switch: fix potential memleak in ice_add_adv_recipe()

[ Upstream commit 4a606ce68426c88ff2563382b33cc34f3485fe57 ]

When ice_add_special_words() fails, the 'rm' is not released, which will
lead to a memory leak. Fix this up by going to 'err_unroll' label.

Compile tested only.

Fixes: 8b032a55c1bd ("ice: low level support for tunnels")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 9b762f7..61f844d 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -5420,7 +5420,7 @@ ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
         */
        status = ice_add_special_words(rinfo, lkup_exts, ice_is_dvm_ena(hw));
        if (status)
-               goto err_free_lkup_exts;
+               goto err_unroll;
 
        /* Group match words into recipes using preferred recipe grouping
         * criteria.