sfc: Remove now-unused filter function

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 0 insertions, 48 deletions

diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h
index f0a5b7c41a4e..a3541ac6ea01 100644
--- a/drivers/net/ethernet/sfc/efx.h
+++ b/drivers/net/ethernet/sfc/efx.h
@@ -64,8 +64,6 @@ extern void efx_remove_filters(struct efx_nic *efx);
 extern s32 efx_filter_insert_filter(struct efx_nic *efx,
                                     struct efx_filter_spec *spec,
                                     bool replace);
-extern int efx_filter_remove_filter(struct efx_nic *efx,
-                                    struct efx_filter_spec *spec);
 extern int efx_filter_remove_id_safe(struct efx_nic *efx,
                                      enum efx_filter_priority priority,
                                      u32 filter_id);
diff --git a/drivers/net/ethernet/sfc/filter.c b/drivers/net/ethernet/sfc/filter.c
index 32eff5ef2ba7..1fbbbee7b1ae 100644
--- a/drivers/net/ethernet/sfc/filter.c
+++ b/drivers/net/ethernet/sfc/filter.c
@@ -680,52 +680,6 @@ int efx_filter_get_filter_safe(struct efx_nic *efx,
         return rc;
 }
 
-/**
- * efx_filter_remove_filter - remove a filter by specification
- * @efx: NIC from which to remove the filter
- * @spec: Specification for the filter
- *
- * On success, return zero.
- * On failure, return a negative error code.
- */
-int efx_filter_remove_filter(struct efx_nic *efx, struct efx_filter_spec *spec)
-{
-        struct efx_filter_state *state = efx->filter_state;
-        struct efx_filter_table *table = efx_filter_spec_table(state, spec);
-        struct efx_filter_spec *saved_spec;
-        efx_oword_t filter;
-        unsigned int filter_idx, depth;
-        u32 key;
-        int rc;
-
-        if (!table)
-                return -EINVAL;
-
-        key = efx_filter_build(&filter, spec);
-
-        spin_lock_bh(&state->lock);
-
-        rc = efx_filter_search(table, spec, key, false, &depth);
-        if (rc < 0)
-                goto out;
-        filter_idx = rc;
-        saved_spec = &table->spec[filter_idx];
-
-        if (spec->priority < saved_spec->priority) {
-                rc = -EPERM;
-                goto out;
-        }
-
-        efx_filter_table_clear_entry(efx, table, filter_idx);
-        if (table->used == 0)
-                efx_filter_table_reset_search_depth(table);
-        rc = 0;
-
-out:
-        spin_unlock_bh(&state->lock);
-        return rc;
-}
-
 static void efx_filter_table_clear(struct efx_nic *efx,
                                    enum efx_filter_table_id table_id,
                                    enum efx_filter_priority priority)