Commit 71b35f3a authored by Dan Williams's avatar Dan Williams Committed by John W. Linville
Browse files

libertas: clear current command on card removal

If certain commands were in-flight when the card was pulled or the
driver rmmod-ed, cleanup would block on the work queue stopping, but the
work queue was in turn blocked on the current command being canceled,
which didn't happen.  Fix that.

Signed-off-by: default avatarDan Williams <>
Cc: stable <>
Signed-off-by: default avatarJohn W. Linville <>
parent 771fd565
......@@ -1205,7 +1205,13 @@ void lbs_remove_card(struct lbs_private *priv)
/* worker thread destruction blocks on the in-flight command which
* should have been cleared already in lbs_stop_card().
lbs_deb_main("destroying worker thread\n");
lbs_deb_main("done destroying worker thread\n");
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
priv->psmode = LBS802_11POWERMODECAM;
......@@ -1323,14 +1329,26 @@ void lbs_stop_card(struct lbs_private *priv)
device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
/* Flush pending command nodes */
/* Delete the timeout of the currently processing command */
/* Flush pending command nodes */
spin_lock_irqsave(&priv->driver_lock, flags);
lbs_deb_main("clearing pending commands\n");
list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
cmdnode->result = -ENOENT;
cmdnode->cmdwaitqwoken = 1;
/* Flush the command the card is currently processing */
if (priv->cur_cmd) {
lbs_deb_main("clearing current command\n");
priv->cur_cmd->result = -ENOENT;
priv->cur_cmd->cmdwaitqwoken = 1;
lbs_deb_main("done clearing commands\n");
spin_unlock_irqrestore(&priv->driver_lock, flags);
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