2018-07-09 10:18:56

by Jaya Durga

Subject: [PATCH] Staging: gdm724x: gdm_tty.c:Fixed Macro argument reuse

From: root <[email protected]>

CHECK: Macro argument reuse 'gdm' - possible side-effects?

convert GDM_TTY_READY to gdm_tty_ready static function
to fix checkpath check

Signed-off-by: Jaya Durga <[email protected]>
---
drivers/staging/gdm724x/gdm_tty.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c
index bf554f7c56ca..5de1940c1f79 100644
--- a/drivers/staging/gdm724x/gdm_tty.c
+++ b/drivers/staging/gdm724x/gdm_tty.c
@@ -27,7 +27,11 @@
#define MUX_TX_MAX_SIZE 2048
-#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && gdm->port.count)
+static unsigned int gdm_tty_ready(struct gdm *gdm)
+{
+return (gdm && gdm->tty_dev && gdm->port.count);
+}
+
static struct tty_driver *gdm_driver[TTY_MAX_COUNT];
static struct gdm *gdm_table[TTY_MAX_COUNT][GDM_TTY_MINOR];
@@ -127,7 +131,7 @@ static int gdm_tty_recv_complete(void *data,
{
struct gdm *gdm = tty_dev->gdm[index];
- if (!GDM_TTY_READY(gdm)) {
+ if (!gdm_tty_ready(gdm)) {
if (complete == RECV_PACKET_PROCESS_COMPLETE)
gdm->tty_dev->recv_func(gdm->tty_dev->priv_dev,
gdm_tty_recv_complete);
@@ -154,7 +158,7 @@ static void gdm_tty_send_complete(void *arg)
{
struct gdm *gdm = arg;
- if (!GDM_TTY_READY(gdm))
+ if (!gdm_tty_ready(gdm))
return;
tty_port_tty_wakeup(&gdm->port);
@@ -168,7 +172,7 @@ static int gdm_tty_write(struct tty_struct *tty, const unsigned char *buf,
int sent_len = 0;
int sending_len = 0;
- if (!GDM_TTY_READY(gdm))
+ if (!gdm_tty_ready(gdm))
return -ENODEV;
if (!len)
@@ -195,7 +199,7 @@ static int gdm_tty_write_room(struct tty_struct *tty)
{
struct gdm *gdm = tty->driver_data;
- if (!GDM_TTY_READY(gdm))
+ if (!gdm_tty_ready(gdm))
return -ENODEV;
return WRITE_SIZE;

2018-07-09 10:38:39

by Dan Carpenter

Subject: Re: [PATCH] Staging: gdm724x: gdm_tty.c:Fixed Macro argument reuse

On Mon, Jul 09, 2018 at 03:30:20PM +0530, Jaya Durga wrote:
> From: root <[email protected]>

Please send the patch to yourself first and make sure it's right. Then
resend to the list.

>
> CHECK: Macro argument reuse 'gdm' - possible side-effects?
>
> convert GDM_TTY_READY to gdm_tty_ready static function
> to fix checkpath check
>
> Signed-off-by: Jaya Durga <[email protected]>
> ---
> drivers/staging/gdm724x/gdm_tty.c | 14 +++++++++-----
> 1 file changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c
> index bf554f7c56ca..5de1940c1f79 100644
> --- a/drivers/staging/gdm724x/gdm_tty.c
> +++ b/drivers/staging/gdm724x/gdm_tty.c
> @@ -27,7 +27,11 @@
> #define MUX_TX_MAX_SIZE 2048
> -#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && gdm->port.count)
> +static unsigned int gdm_tty_ready(struct gdm *gdm)
> +{
> +return (gdm && gdm->tty_dev && gdm->port.count);


This needs to be indented.


regards,
dan carpenter