From: Eliad Peller <eliad@wizery.com>
Date: Wed, 17 Jul 2013 06:16:30 +0000 (+0300)
Subject: iwlwifi: mvm: don't clear tbl->win mistakenly
X-Git-Tag: v3.12-rc1~132^2~84^2^2~55^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=faec6f91f52838ead8dabb8545b1312bdd32da4b;p=platform%2Fkernel%2Flinux-exynos.git

iwlwifi: mvm: don't clear tbl->win mistakenly

rs_get_tbl_info_from_mcs() mistakenly clears
the rate histories window, overriding its initialization
values (i.e. filling it with 0, instead of -1).

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index a69bd4c..a587b21 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -492,7 +492,7 @@ static int rs_get_tbl_info_from_mcs(const u32 rate_n_flags,
 	u8 num_of_ant = get_num_of_ant_from_rate(rate_n_flags);
 	u8 mcs;
 
-	memset(tbl, 0, sizeof(struct iwl_scale_tbl_info));
+	memset(tbl, 0, offsetof(struct iwl_scale_tbl_info, win));
 	*rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags);
 
 	if (*rate_idx  == IWL_RATE_INVALID) {