libertas: remove some pointless checks for cmdnode buffer being present
We allocate them all at the same time, at startup. If they go missing, we have more serious things to worry about, and the resulting oops will be a perfectly acceptable result. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -1166,8 +1166,8 @@ void lbs_queue_cmd(struct lbs_private *priv,
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lbs_deb_enter(LBS_DEB_HOST);
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if (!cmdnode || !cmdnode->cmdbuf) {
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lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
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if (!cmdnode) {
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lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
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goto done;
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}
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if (!cmdnode->cmdbuf->size) {
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@ -1195,7 +1195,7 @@ void lbs_queue_cmd(struct lbs_private *priv,
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spin_unlock_irqrestore(&priv->driver_lock, flags);
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lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
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le16_to_cpu(cmdnode->cmdbuf->command));
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le16_to_cpu(cmdnode->cmdbuf->command));
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done:
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lbs_deb_leave(LBS_DEB_HOST);
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@ -1380,13 +1380,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
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lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
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if (!cmdptr) {
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lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
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lbs_cleanup_and_insert_cmd(priv, cmdnode);
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ret = -1;
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goto done;
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}
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/* Set sequence number, command and INT option */
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priv->seqnum++;
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cmdptr->seqnum = cpu_to_le16(priv->seqnum);
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@ -1786,8 +1779,7 @@ static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
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cmdnode->callback = NULL;
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cmdnode->callback_arg = 0;
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if (cmdnode->cmdbuf != NULL)
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memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
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memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
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lbs_deb_leave(LBS_DEB_HOST);
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}
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