Messages in this thread Patch in this message | | | Date | Tue, 11 Nov 2008 16:24:11 -0800 | From | Greg KH <> | Subject | [patch 37/49] iwl3945: do not send scan command if channel count zero |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
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From: Reinette Chatre <reinette.chatre@intel.com>
commit 14b5433606289dbc5b6fd70ced11462f80e95003 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/net/wireless/iwlwifi/iwl3945-base.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6259,6 +6259,11 @@ static void iwl3945_bg_request_scan(stru direct_mask, (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; --
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