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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>
This commit is contained in:
David Spinadel 2014-06-02 09:59:49 +03:00 committed by Emmanuel Grumbach
parent 14ca0f389c
commit 0564679bb6
1 changed files with 1 additions and 3 deletions
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4
drivers/net/wireless/iwlwifi/mvm/scan.c
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@ -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);