From: David Spinadel <david.spinadel@intel.com>
Date: Mon, 2 Jun 2014 06:59:49 +0000 (+0300)
Subject: iwlwifi: mvm: use ksize to memset scan_command
X-Git-Tag: v3.17-rc1~106^2~12^2~207
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0564679bb6e750dc6d441f6d67e95c0590fa3f80;p=platform%2Fkernel%2Flinux-exynos.git

iwlwifi: mvm: use ksize to memset scan_command

Use ksize to get scan command size instead of calculating it, to
avoid nasty bugs.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---

diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 4b6c7d4..df8f3eb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -325,9 +325,7 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 
 	IWL_DEBUG_SCAN(mvm, "Handling mac80211 scan request\n");
 	mvm->scan_status = IWL_MVM_SCAN_OS;
-	memset(cmd, 0, sizeof(struct iwl_scan_cmd) +
-	       mvm->fw->ucode_capa.max_probe_length +
-	       (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel)));
+	memset(cmd, 0, ksize(cmd));
 
 	cmd->channel_count = (u8)req->n_channels;
 	cmd->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME);