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Message-ID: <20121022210537.GC23826@kroah.com>
Date: Mon, 22 Oct 2012 14:05:37 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: Sangho Yi <antiroot@...il.com>
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] staging: csr: Fixed indentation from 4 spaces to
tabs on mlme.c
On Wed, Oct 17, 2012 at 01:36:45AM +0900, Sangho Yi wrote:
> There were all the 4 spaces indentation, so I fixed them using the tabs.
>
> Signed-off-by: Sangho Yi <antiroot@...il.com>
> ---
> drivers/staging/csr/mlme.c | 598 ++++++++++++++++++++++----------------------
> 1 file changed, 299 insertions(+), 299 deletions(-)
>
> diff --git a/drivers/staging/csr/mlme.c b/drivers/staging/csr/mlme.c
> index ed767ec..a16841f 100644
> --- a/drivers/staging/csr/mlme.c
> +++ b/drivers/staging/csr/mlme.c
> @@ -1,9 +1,9 @@
> /*
> * ---------------------------------------------------------------------------
> - * FILE: mlme.c
> + * FILE: mlme.c
> *
> * PURPOSE:
> - * This file provides functions to send MLME requests to the UniFi.
> + * This file provides functions to send MLME requests to the UniFi.
> *
> * Copyright (C) 2007-2008 by Cambridge Silicon Radio Ltd.
> *
> @@ -19,114 +19,114 @@
> * ---------------------------------------------------------------------------
> * unifi_mlme_wait_for_reply
> *
> - * Wait for a reply after sending a signal.
> + * Wait for a reply after sending a signal.
> *
> * Arguments:
> - * priv Pointer to device private context struct
> - * ul_client Pointer to linux client
> - * sig_reply_id ID of the expected reply (defined in sigs.h).
> - * timeout timeout in ms
> + * priv Pointer to device private context struct
> + * ul_client Pointer to linux client
> + * sig_reply_id ID of the expected reply (defined in sigs.h).
> + * timeout timeout in ms
> *
> * Returns:
> - * 0 on success, -ve POSIX code on error.
> + * 0 on success, -ve POSIX code on error.
> *
> * Notes:
> - * This function waits for a specific (sig_reply_id) signal from UniFi.
> - * It also match the sequence number of the received (cfm) signal, with
> - * the latest sequence number of the signal (req) we have sent.
> - * These two number match be equal.
> - * Should only be used for waiting xxx.cfm signals and only after
> - * we have sent the matching xxx.req signal to UniFi.
> - * If no response is received within the expected time (timeout), we assume
> - * that the UniFi is busy and return an error.
> - * If the wait is aborted by a kernel signal arriving, we stop waiting.
> - * If a response from UniFi is not what we expected, we discard it and
> - * wait again. This could be a response from an aborted request. If we
> - * see several bad responses we assume we have lost synchronisation with
> - * UniFi.
> + * This function waits for a specific (sig_reply_id) signal from UniFi.
> + * It also match the sequence number of the received (cfm) signal, with
> + * the latest sequence number of the signal (req) we have sent.
> + * These two number match be equal.
> + * Should only be used for waiting xxx.cfm signals and only after
> + * we have sent the matching xxx.req signal to UniFi.
> + * If no response is received within the expected time (timeout), we assume
> + * that the UniFi is busy and return an error.
> + * If the wait is aborted by a kernel signal arriving, we stop waiting.
> + * If a response from UniFi is not what we expected, we discard it and
> + * wait again. This could be a response from an aborted request. If we
> + * see several bad responses we assume we have lost synchronisation with
> + * UniFi.
> * ---------------------------------------------------------------------------
> */
> static int
> unifi_mlme_wait_for_reply(unifi_priv_t *priv, ul_client_t *pcli, int sig_reply_id, int timeout)
> {
> - int retries = 0;
> - long r;
> - long t = timeout;
> - unsigned int sent_seq_no;
> -
> - /* Convert t in ms to jiffies */
> - t = msecs_to_jiffies(t);
> -
> - do {
> - /* Wait for the confirm or timeout. */
> - r = wait_event_interruptible_timeout(pcli->udi_wq,
> - (pcli->wake_up_wq_id) || (priv->io_aborted == 1),
> - t);
> - /* Check for general i/o error */
> - if (priv->io_aborted) {
> - unifi_error(priv, "MLME operation aborted\n");
> - return -EIO;
> - }
> -
> - /*
> - * If r=0 the request has timed-out.
> - * If r>0 the request has completed successfully.
> - * If r=-ERESTARTSYS an event (kill signal) has interrupted the wait_event.
> - */
> - if ((r == 0) && (pcli->wake_up_wq_id == 0)) {
> - unifi_error(priv, "mlme_wait: timed-out waiting for 0x%.4X, after %lu msec.\n",
> - sig_reply_id, jiffies_to_msecs(t));
> - pcli->wake_up_wq_id = 0;
> - return -ETIMEDOUT;
> - } else if (r == -ERESTARTSYS) {
> - unifi_error(priv, "mlme_wait: waiting for 0x%.4X was aborted.\n", sig_reply_id);
> - pcli->wake_up_wq_id = 0;
> - return -EINTR;
> - } else {
> - /* Get the sequence number of the signal that we previously set. */
> - if (pcli->seq_no != 0) {
> - sent_seq_no = pcli->seq_no - 1;
> - } else {
> - sent_seq_no = 0x0F;
> - }
> -
> - unifi_trace(priv, UDBG5, "Received 0x%.4X, seq: (r:%d, s:%d)\n",
> - pcli->wake_up_wq_id,
> - pcli->wake_seq_no, sent_seq_no);
> -
> - /* The two sequence ids must match. */
> - if (pcli->wake_seq_no == sent_seq_no) {
> - /* and the signal ids must match. */
> - if (sig_reply_id == pcli->wake_up_wq_id) {
> - /* Found the expected signal */
> - break;
> - } else {
> - /* This should never happen ... */
> - unifi_error(priv, "mlme_wait: mismatching signal id (0x%.4X - exp 0x%.4X) (seq %d)\n",
> - pcli->wake_up_wq_id,
> - sig_reply_id,
> - pcli->wake_seq_no);
> - pcli->wake_up_wq_id = 0;
> - return -EIO;
> - }
> - }
> - /* Wait for the next signal. */
> - pcli->wake_up_wq_id = 0;
> -
> - retries ++;
> - if (retries >= 3) {
> - unifi_error(priv, "mlme_wait: confirm wait retries exhausted (0x%.4X - exp 0x%.4X)\n",
> - pcli->wake_up_wq_id,
> - sig_reply_id);
> - pcli->wake_up_wq_id = 0;
> - return -EIO;
> - }
> - }
> - } while (1);
> -
> - pcli->wake_up_wq_id = 0;
> -
> - return 0;
> + int retries = 0;
> + long r;
> + long t = timeout;
> + unsigned int sent_seq_no;
> +
> + /* Convert t in ms to jiffies */
> + t = msecs_to_jiffies(t);
> +
> + do {
> + /* Wait for the confirm or timeout. */
> + r = wait_event_interruptible_timeout(pcli->udi_wq,
> + (pcli->wake_up_wq_id) || (priv->io_aborted == 1),
> + t);
What happened there?
Please be smart about your cleanups, you have to do it by hand in
places.
Care to redo this series also and resend it?
thanks,
greg k-h
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