Commit 14b54336 authored Nov 04, 2008 by Reinette Chatre Committed by John W. Linville Nov 06, 2008

iwl3945: do not send scan command if channel count zero

Do not send scan command if no channels to scan.

This avoids a Microcode error as reported in:
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1650
http://bugzilla.kernel.org/show_bug.cgi?id=11806
http://marc.info/?l=linux-wireless&m=122437145211886&w=2



Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 2420ebc1

drivers/net/wireless/iwlwifi/iwl3945-base.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -6256,6 +6256,11 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
		n_probes,
		(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);

		if (scan->channel_count == 0) {
		IWL_DEBUG_SCAN("channel count %d\n", scan->channel_count);
		goto done;
		}

		cmd.len += le16_to_cpu(scan->tx_cmd.len) +
		scan->channel_count * sizeof(struct iwl3945_scan_channel);
		cmd.data = scan;