The error code is missing in this code scenario, add the error code '-EINVAL' to the return value 'ret'. Eliminate the follow smatch warning: drivers/net/wireless/intel/iwlwifi/mvm/fw.c:1465 iwl_mvm_up() warn: missing error code 'ret'. Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 38fd588..29bab53 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1461,8 +1461,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm) while (!sband && i < NUM_NL80211_BANDS) sband = mvm->hw->wiphy->bands[i++]; - if (WARN_ON_ONCE(!sband)) + if (WARN_ON_ONCE(!sband)) { + ret = -EINVAL; goto error; + } chan = &sband->channels[0]; -- 1.8.3.1