From c4a9c8e78aad0fd9b79c9b1e83bab3288a15ce3c Mon Sep 17 00:00:00 2001 From: Michal Swiatkowski Date: Mon, 13 Feb 2023 12:27:33 +0100 Subject: [PATCH] ice: don't ignore return codes in VSI related code There were few smatch warnings reported by Dan: - ice_vsi_cfg_xdp_txqs can return 0 instead of ret, which is cleaner - return values in ice_vsi_cfg_def were ignored - in ice_vsi_rebuild return value was ignored in case rebuild failed, it was a never reached code, however, rewrite it for clarity. - ice_vsi_cfg_tc can return 0 instead of ret Fixes: 6624e780a577 ("ice: split ice_vsi_setup into smaller functions") Reported-by: Dan Carpenter Signed-off-by: Michal Swiatkowski Tested-by: Gurucharan G (A Contingent worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/ice/ice_lib.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 78147548..0f52ea3 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2126,7 +2126,7 @@ int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) ice_for_each_rxq(vsi, i) ice_tx_xsk_pool(vsi, i); - return ret; + return 0; } /** @@ -2693,12 +2693,14 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params) return ret; /* allocate memory for Tx/Rx ring stat pointers */ - if (ice_vsi_alloc_stat_arrays(vsi)) + ret = ice_vsi_alloc_stat_arrays(vsi); + if (ret) goto unroll_vsi_alloc; ice_alloc_fd_res(vsi); - if (ice_vsi_get_qs(vsi)) { + ret = ice_vsi_get_qs(vsi); + if (ret) { dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", vsi->idx); goto unroll_vsi_alloc_stat; @@ -2811,6 +2813,7 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params) break; default: /* clean up the resources and exit */ + ret = -EINVAL; goto unroll_vsi_init; } @@ -3508,10 +3511,10 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags) if (vsi_flags & ICE_VSI_FLAG_INIT) { ret = -EIO; goto err_vsi_cfg_tc_lan; - } else { - kfree(coalesce); - return ice_schedule_reset(pf, ICE_RESET_PFR); } + + kfree(coalesce); + return ice_schedule_reset(pf, ICE_RESET_PFR); } ice_vsi_realloc_stat_arrays(vsi, prev_txq, prev_rxq); @@ -3759,7 +3762,7 @@ int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) dev = ice_pf_to_dev(pf); if (vsi->tc_cfg.ena_tc == ena_tc && vsi->mqprio_qopt.mode != TC_MQPRIO_MODE_CHANNEL) - return ret; + return 0; ice_for_each_traffic_class(i) { /* build bitmap of enabled TCs */ -- 2.7.4