[PATCH v2 2/2] staging: rtl8723bs: Initializing variables at declaration

Erick Karanja posted 2 patches 10 months ago
There is a newer version of this series
[PATCH v2 2/2] staging: rtl8723bs: Initializing variables at declaration
Posted by Erick Karanja 10 months ago
Make the code more readable by moving trivial
initializations up with the declarations instead
of wasting a line on that.

Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
---
 .../staging/rtl8723bs/hal/rtl8723bs_xmit.c    | 39 ++++++-------------
 1 file changed, 11 insertions(+), 28 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
index 5dc1c12fe03e..d134d185bfae 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
@@ -120,13 +120,10 @@ static s32 rtl8723_dequeue_writeport(struct adapter *padapter)
  */
 s32 rtl8723bs_xmit_buf_handler(struct adapter *padapter)
 {
-	struct xmit_priv *pxmitpriv;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 	u8 queue_empty, queue_pending;
 	s32 ret;
 
-
-	pxmitpriv = &padapter->xmitpriv;
-
 	if (wait_for_completion_interruptible(&pxmitpriv->xmit_comp)) {
 		netdev_emerg(padapter->pnetdev,
 			     "%s: down SdioXmitBufSema fail!\n", __func__);
@@ -242,8 +239,7 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
 						/* pxmitbuf->priv_data will be NULL, and will crash here */
 						if (pxmitbuf->len > 0 &&
 						    pxmitbuf->priv_data) {
-							struct xmit_frame *pframe;
-							pframe = (struct xmit_frame *)pxmitbuf->priv_data;
+							struct xmit_frame *pframe = (struct xmit_frame *)pxmitbuf->priv_data;
 							pframe->agg_num = k;
 							pxmitbuf->agg_num = k;
 							rtl8723b_update_txdesc(pframe, pframe->buf_addr);
@@ -326,8 +322,7 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
 		/*  dump xmit_buf to hw tx fifo */
 		if (pxmitbuf) {
 			if (pxmitbuf->len > 0) {
-				struct xmit_frame *pframe;
-				pframe = (struct xmit_frame *)pxmitbuf->priv_data;
+				struct xmit_frame *pframe = (struct xmit_frame *)pxmitbuf->priv_data;
 				pframe->agg_num = k;
 				pxmitbuf->agg_num = k;
 				rtl8723b_update_txdesc(pframe, pframe->buf_addr);
@@ -357,12 +352,9 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
  */
 static s32 rtl8723bs_xmit_handler(struct adapter *padapter)
 {
-	struct xmit_priv *pxmitpriv;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 	s32 ret;
 
-
-	pxmitpriv = &padapter->xmitpriv;
-
 	if (wait_for_completion_interruptible(&pxmitpriv->SdioXmitStart)) {
 		netdev_emerg(padapter->pnetdev, "%s: SdioXmitStart fail!\n",
 			     __func__);
@@ -408,13 +400,9 @@ static s32 rtl8723bs_xmit_handler(struct adapter *padapter)
 
 int rtl8723bs_xmit_thread(void *context)
 {
-	s32 ret;
-	struct adapter *padapter;
-	struct xmit_priv *pxmitpriv;
-
-	ret = _SUCCESS;
-	padapter = context;
-	pxmitpriv = &padapter->xmitpriv;
+	s32 ret = _SUCCESS;
+	struct adapter *padapter = context;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 
 	allow_signal(SIGTERM);
 
@@ -435,16 +423,13 @@ s32 rtl8723bs_mgnt_xmit(
 )
 {
 	s32 ret = _SUCCESS;
-	struct pkt_attrib *pattrib;
-	struct xmit_buf *pxmitbuf;
+	struct pkt_attrib *pattrib = &pmgntframe->attrib;
+	struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 	struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
 	u8 *pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
 	u8 txdesc_size = TXDESC_SIZE;
 
-	pattrib = &pmgntframe->attrib;
-	pxmitbuf = pmgntframe->pxmitbuf;
-
 	rtl8723b_update_txdesc(pmgntframe, pmgntframe->buf_addr);
 
 	pxmitbuf->len = txdesc_size + pattrib->last_txcmdsz;
@@ -557,15 +542,13 @@ s32 rtl8723bs_init_xmit_priv(struct adapter *padapter)
 
 void rtl8723bs_free_xmit_priv(struct adapter *padapter)
 {
-	struct xmit_priv *pxmitpriv;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 	struct xmit_buf *pxmitbuf;
-	struct __queue *pqueue;
+	struct __queue *pqueue = &pxmitpriv->pending_xmitbuf_queue;
 	struct list_head *plist, *phead;
 	struct list_head tmplist;
 
 
-	pxmitpriv = &padapter->xmitpriv;
-	pqueue = &pxmitpriv->pending_xmitbuf_queue;
 	phead = get_list_head(pqueue);
 	INIT_LIST_HEAD(&tmplist);
 
-- 
2.43.0
Re: [PATCH v2 2/2] staging: rtl8723bs: Initializing variables at declaration
Posted by Julia Lawall 10 months ago

On Wed, 9 Apr 2025, Erick Karanja wrote:

> Make the code more readable by moving trivial
> initializations up with the declarations instead
> of wasting a line on that.
>
> Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
> ---
>  .../staging/rtl8723bs/hal/rtl8723bs_xmit.c    | 39 ++++++-------------
>  1 file changed, 11 insertions(+), 28 deletions(-)
>
> diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> index 5dc1c12fe03e..d134d185bfae 100644
> --- a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> +++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> @@ -120,13 +120,10 @@ static s32 rtl8723_dequeue_writeport(struct adapter *padapter)
>   */
>  s32 rtl8723bs_xmit_buf_handler(struct adapter *padapter)
>  {
> -	struct xmit_priv *pxmitpriv;
> +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
>  	u8 queue_empty, queue_pending;
>  	s32 ret;
>
> -
> -	pxmitpriv = &padapter->xmitpriv;
> -
>  	if (wait_for_completion_interruptible(&pxmitpriv->xmit_comp)) {
>  		netdev_emerg(padapter->pnetdev,
>  			     "%s: down SdioXmitBufSema fail!\n", __func__);
> @@ -242,8 +239,7 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
>  						/* pxmitbuf->priv_data will be NULL, and will crash here */
>  						if (pxmitbuf->len > 0 &&
>  						    pxmitbuf->priv_data) {
> -							struct xmit_frame *pframe;
> -							pframe = (struct xmit_frame *)pxmitbuf->priv_data;
> +							struct xmit_frame *pframe = (struct xmit_frame *)pxmitbuf->priv_data;

I'm not sure that it's worth making this change here given that it makes
the line even longer.

>  							pframe->agg_num = k;
>  							pxmitbuf->agg_num = k;
>  							rtl8723b_update_txdesc(pframe, pframe->buf_addr);
> @@ -326,8 +322,7 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
>  		/*  dump xmit_buf to hw tx fifo */
>  		if (pxmitbuf) {
>  			if (pxmitbuf->len > 0) {
> -				struct xmit_frame *pframe;
> -				pframe = (struct xmit_frame *)pxmitbuf->priv_data;
> +				struct xmit_frame *pframe = (struct xmit_frame *)pxmitbuf->priv_data;

This also makes a long line.

>  				pframe->agg_num = k;
>  				pxmitbuf->agg_num = k;
>  				rtl8723b_update_txdesc(pframe, pframe->buf_addr);
> @@ -357,12 +352,9 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
>   */
>  static s32 rtl8723bs_xmit_handler(struct adapter *padapter)
>  {
> -	struct xmit_priv *pxmitpriv;
> +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
>  	s32 ret;
>
> -
> -	pxmitpriv = &padapter->xmitpriv;
> -
>  	if (wait_for_completion_interruptible(&pxmitpriv->SdioXmitStart)) {
>  		netdev_emerg(padapter->pnetdev, "%s: SdioXmitStart fail!\n",
>  			     __func__);
> @@ -408,13 +400,9 @@ static s32 rtl8723bs_xmit_handler(struct adapter *padapter)
>
>  int rtl8723bs_xmit_thread(void *context)
>  {
> -	s32 ret;
> -	struct adapter *padapter;
> -	struct xmit_priv *pxmitpriv;
> -
> -	ret = _SUCCESS;
> -	padapter = context;
> -	pxmitpriv = &padapter->xmitpriv;
> +	s32 ret = _SUCCESS;
> +	struct adapter *padapter = context;
> +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
>
>  	allow_signal(SIGTERM);
>
> @@ -435,16 +423,13 @@ s32 rtl8723bs_mgnt_xmit(
>  )
>  {
>  	s32 ret = _SUCCESS;
> -	struct pkt_attrib *pattrib;
> -	struct xmit_buf *pxmitbuf;
> +	struct pkt_attrib *pattrib = &pmgntframe->attrib;
> +	struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
>  	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
>  	struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
>  	u8 *pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
>  	u8 txdesc_size = TXDESC_SIZE;
>
> -	pattrib = &pmgntframe->attrib;
> -	pxmitbuf = pmgntframe->pxmitbuf;
> -
>  	rtl8723b_update_txdesc(pmgntframe, pmgntframe->buf_addr);
>
>  	pxmitbuf->len = txdesc_size + pattrib->last_txcmdsz;
> @@ -557,15 +542,13 @@ s32 rtl8723bs_init_xmit_priv(struct adapter *padapter)
>
>  void rtl8723bs_free_xmit_priv(struct adapter *padapter)
>  {
> -	struct xmit_priv *pxmitpriv;
> +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
>  	struct xmit_buf *pxmitbuf;
> -	struct __queue *pqueue;
> +	struct __queue *pqueue = &pxmitpriv->pending_xmitbuf_queue;
>  	struct list_head *plist, *phead;
>  	struct list_head tmplist;
>
>
> -	pxmitpriv = &padapter->xmitpriv;
> -	pqueue = &pxmitpriv->pending_xmitbuf_queue;
>  	phead = get_list_head(pqueue);
>  	INIT_LIST_HEAD(&tmplist);
>
> --
> 2.43.0
>
>
>
Re: [PATCH v2 2/2] staging: rtl8723bs: Initializing variables at declaration
Posted by Erick Karanja 10 months ago
On Wed, 2025-04-09 at 11:41 -0400, Julia Lawall wrote:
> 
> 
> On Wed, 9 Apr 2025, Erick Karanja wrote:
> 
> > Make the code more readable by moving trivial
> > initializations up with the declarations instead
> > of wasting a line on that.
> > 
> > Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
> > ---
> >  .../staging/rtl8723bs/hal/rtl8723bs_xmit.c    | 39 ++++++---------
> > ----
> >  1 file changed, 11 insertions(+), 28 deletions(-)
> > 
> > diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> > b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> > index 5dc1c12fe03e..d134d185bfae 100644
> > --- a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> > +++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
> > @@ -120,13 +120,10 @@ static s32 rtl8723_dequeue_writeport(struct
> > adapter *padapter)
> >   */
> >  s32 rtl8723bs_xmit_buf_handler(struct adapter *padapter)
> >  {
> > -	struct xmit_priv *pxmitpriv;
> > +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
> >  	u8 queue_empty, queue_pending;
> >  	s32 ret;
> > 
> > -
> > -	pxmitpriv = &padapter->xmitpriv;
> > -
> >  	if (wait_for_completion_interruptible(&pxmitpriv-
> > >xmit_comp)) {
> >  		netdev_emerg(padapter->pnetdev,
> >  			     "%s: down SdioXmitBufSema fail!\n",
> > __func__);
> > @@ -242,8 +239,7 @@ static s32 xmit_xmitframes(struct adapter
> > *padapter, struct xmit_priv *pxmitpriv
> >  						/* pxmitbuf-
> > >priv_data will be NULL, and will crash here */
> >  						if (pxmitbuf->len
> > > 0 &&
> >  						    pxmitbuf-
> > >priv_data) {
> > -							struct
> > xmit_frame *pframe;
> > -							pframe =
> > (struct xmit_frame *)pxmitbuf->priv_data;
> > +							struct
> > xmit_frame *pframe = (struct xmit_frame *)pxmitbuf->priv_data;
> 
> I'm not sure that it's worth making this change here given that it
> makes
> the line even longer.
Hello Julia. I will make the necessary changes.
Thank you.
> 
> >  							pframe-
> > >agg_num = k;
> >  							pxmitbuf-
> > >agg_num = k;
> >  							rtl8723b_u
> > pdate_txdesc(pframe, pframe->buf_addr);
> > @@ -326,8 +322,7 @@ static s32 xmit_xmitframes(struct adapter
> > *padapter, struct xmit_priv *pxmitpriv
> >  		/*  dump xmit_buf to hw tx fifo */
> >  		if (pxmitbuf) {
> >  			if (pxmitbuf->len > 0) {
> > -				struct xmit_frame *pframe;
> > -				pframe = (struct xmit_frame
> > *)pxmitbuf->priv_data;
> > +				struct xmit_frame *pframe =
> > (struct xmit_frame *)pxmitbuf->priv_data;
> 
> This also makes a long line.
> 
> >  				pframe->agg_num = k;
> >  				pxmitbuf->agg_num = k;
> >  				rtl8723b_update_txdesc(pframe,
> > pframe->buf_addr);
> > @@ -357,12 +352,9 @@ static s32 xmit_xmitframes(struct adapter
> > *padapter, struct xmit_priv *pxmitpriv
> >   */
> >  static s32 rtl8723bs_xmit_handler(struct adapter *padapter)
> >  {
> > -	struct xmit_priv *pxmitpriv;
> > +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
> >  	s32 ret;
> > 
> > -
> > -	pxmitpriv = &padapter->xmitpriv;
> > -
> >  	if (wait_for_completion_interruptible(&pxmitpriv-
> > >SdioXmitStart)) {
> >  		netdev_emerg(padapter->pnetdev, "%s: SdioXmitStart
> > fail!\n",
> >  			     __func__);
> > @@ -408,13 +400,9 @@ static s32 rtl8723bs_xmit_handler(struct
> > adapter *padapter)
> > 
> >  int rtl8723bs_xmit_thread(void *context)
> >  {
> > -	s32 ret;
> > -	struct adapter *padapter;
> > -	struct xmit_priv *pxmitpriv;
> > -
> > -	ret = _SUCCESS;
> > -	padapter = context;
> > -	pxmitpriv = &padapter->xmitpriv;
> > +	s32 ret = _SUCCESS;
> > +	struct adapter *padapter = context;
> > +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
> > 
> >  	allow_signal(SIGTERM);
> > 
> > @@ -435,16 +423,13 @@ s32 rtl8723bs_mgnt_xmit(
> >  )
> >  {
> >  	s32 ret = _SUCCESS;
> > -	struct pkt_attrib *pattrib;
> > -	struct xmit_buf *pxmitbuf;
> > +	struct pkt_attrib *pattrib = &pmgntframe->attrib;
> > +	struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
> >  	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
> >  	struct dvobj_priv *pdvobjpriv =
> > adapter_to_dvobj(padapter);
> >  	u8 *pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
> >  	u8 txdesc_size = TXDESC_SIZE;
> > 
> > -	pattrib = &pmgntframe->attrib;
> > -	pxmitbuf = pmgntframe->pxmitbuf;
> > -
> >  	rtl8723b_update_txdesc(pmgntframe, pmgntframe->buf_addr);
> > 
> >  	pxmitbuf->len = txdesc_size + pattrib->last_txcmdsz;
> > @@ -557,15 +542,13 @@ s32 rtl8723bs_init_xmit_priv(struct adapter
> > *padapter)
> > 
> >  void rtl8723bs_free_xmit_priv(struct adapter *padapter)
> >  {
> > -	struct xmit_priv *pxmitpriv;
> > +	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
> >  	struct xmit_buf *pxmitbuf;
> > -	struct __queue *pqueue;
> > +	struct __queue *pqueue = &pxmitpriv-
> > >pending_xmitbuf_queue;
> >  	struct list_head *plist, *phead;
> >  	struct list_head tmplist;
> > 
> > 
> > -	pxmitpriv = &padapter->xmitpriv;
> > -	pqueue = &pxmitpriv->pending_xmitbuf_queue;
> >  	phead = get_list_head(pqueue);
> >  	INIT_LIST_HEAD(&tmplist);
> > 
> > --
> > 2.43.0
> > 
> > 
> >