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@xxxxxxxxx> --- Also applies to 2.6.28. drivers/net/wireless/iwlwifi/iwl3945-base.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 88465e4..caac74c 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6196,6 +6196,11 @@ 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; -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html