From: Eyal Shapira Date: Mon, 1 Feb 2016 07:07:05 +0000 (+0200) Subject: iwlwifi: mvm: rs: fix a theoretical access to uninitialized array elements X-Git-Tag: next-20160308~76^2^2~37 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4494541c0c918688dfbbaf760548846a9c1bcf3f;p=karo-tx-linux.git iwlwifi: mvm: rs: fix a theoretical access to uninitialized array elements Klocwork is unhappy as ht_vht_rates might be accessed with rate->index being set to values between 0 and 3 which will lead to accessing uninitialized array elements. Effectively this doesn't happen as in HT/VHT we're not using these rate indices. Still fix this. Signed-off-by: Eyal Shapira Signed-off-by: Emmanuel Grumbach --- diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 6e7e78a37879..3dc94d2e8a65 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -556,6 +556,7 @@ static char *rs_pretty_rate(const struct rs_rate *rate) if (is_type_legacy(rate->type) && (rate->index <= IWL_RATE_54M_INDEX)) rate_str = legacy_rates[rate->index]; else if ((is_type_ht(rate->type) || is_type_vht(rate->type)) && + (rate->index >= IWL_RATE_MCS_0_INDEX) && (rate->index <= IWL_RATE_MCS_9_INDEX)) rate_str = ht_vht_rates[rate->index]; else