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iwlwifi/iwl3945: fix suspend resume association bug

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Patch fixes the following bugs at
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=2005
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=2007

If we suspend with an association and then resumed,
we need to synchronize the active rxon with staging rxon,
else we will get an error when iwl_alive_start try to commit
rxon and staging is set to channel 0. Before going to suspend
staging and active rxon are in sync. After resuming from the
suspend, iwl_mac_start is called and it clears the staging
rxon. Patch fixes the bug by not clearing the staging rxon
in iwl_mac_start.

Patch also adds similar fix to 3945.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Abhijeet Kolekar 2009-06-12 13:22:52 -07:00 committed by John W. Linville
parent 611d3eb72a
commit 8a9b99267c
2 changed files with 1 additions and 4 deletions
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1
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -2152,7 +2152,6 @@ static int iwl_mac_start(struct ieee80211_hw *hw)
/* we should be verifying the device is ready to be opened */
mutex_lock(&priv->mutex);
memset(&priv->staging_rxon, 0, sizeof(struct iwl_rxon_cmd));
/* fetch ucode file from disk, alloc and copy to bus-master buffers ...
* ucode filename and max sizes are card-specific. */

4
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -2498,8 +2498,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
struct iwl3945_rxon_cmd *active_rxon =
(struct iwl3945_rxon_cmd *)(&priv->active_rxon);
memcpy(&priv->staging_rxon, &priv->active_rxon,
sizeof(priv->staging_rxon));
priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
@ -3147,7 +3146,6 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw)
/* we should be verifying the device is ready to be opened */
mutex_lock(&priv->mutex);
memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
/* fetch ucode file from disk, alloc and copy to bus-master buffers ...
* ucode filename and max sizes are card-specific. */