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 @@
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);