[PATCH V2] tty: synclink_cs: Use bitwise instead of arithmetic operator for flags

[PATCH V2] tty: synclink_cs: Use bitwise instead of arithmetic operator for flags

[Haowen Bai]

This silences the following coccinelle warning:
drivers/s390/char/tape_34xx.c:360:38-39: WARNING: sum of probable bitmasks, consider |

we will try to make code cleaner

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
V1 -> V2: fix title subject misspelling try -> tty.

 drivers/char/pcmcia/synclink_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 78baba5..e6f2186 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -922,7 +922,7 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd)
 		// BIT7:parity error
 		// BIT6:framing error
 
-		if (status & (BIT7 + BIT6)) {
+		if (status & (BIT7 | BIT6)) {
 			if (status & BIT7)
 				icount->parity++;
 			else
-- 
2.7.4

Re: [PATCH V2] tty: synclink_cs: Use bitwise instead of arithmetic operator for flags

[Jiri Slaby]

On 21. 03. 22, 8:12, Haowen Bai wrote:
> This silences the following coccinelle warning:
> drivers/s390/char/tape_34xx.c:360:38-39: WARNING: sum of probable bitmasks, consider |
> 
> we will try to make code cleaner
> 
> Signed-off-by: Haowen Bai <baihaowen@meizu.com>

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>

> ---
> V1 -> V2: fix title subject misspelling try -> tty.
> 
>   drivers/char/pcmcia/synclink_cs.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
> index 78baba5..e6f2186 100644
> --- a/drivers/char/pcmcia/synclink_cs.c
> +++ b/drivers/char/pcmcia/synclink_cs.c
> @@ -922,7 +922,7 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd)
>   		// BIT7:parity error
>   		// BIT6:framing error
>   
> -		if (status & (BIT7 + BIT6)) {
> +		if (status & (BIT7 | BIT6)) {
>   			if (status & BIT7)
>   				icount->parity++;
>   			else


-- 
js

[PATCH v2] tty: synclink_cs: Use bitwise instead of arithmetic operator for flags

[Haowen Bai]

This silences the following coccinelle warning:
drivers/s390/char/tape_34xx.c:360:38-39: WARNING: sum of probable bitmasks, consider |

we will try to make code cleaner

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
 drivers/char/pcmcia/synclink_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 78baba5..e6f2186 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -922,7 +922,7 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd)
 		// BIT7:parity error
 		// BIT6:framing error
 
-		if (status & (BIT7 + BIT6)) {
+		if (status & (BIT7 | BIT6)) {
 			if (status & BIT7)
 				icount->parity++;
 			else
-- 
2.7.4

Re: [PATCH v2] tty: synclink_cs: Use bitwise instead of arithmetic operator for flags

[Greg KH]

On Mon, Mar 21, 2022 at 02:13:47PM +0800, Haowen Bai wrote:
> This silences the following coccinelle warning:
> drivers/s390/char/tape_34xx.c:360:38-39: WARNING: sum of probable bitmasks, consider |
> 
> we will try to make code cleaner
> 
> Signed-off-by: Haowen Bai <baihaowen@meizu.com>
> ---
>  drivers/char/pcmcia/synclink_cs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
> index 78baba5..e6f2186 100644
> --- a/drivers/char/pcmcia/synclink_cs.c
> +++ b/drivers/char/pcmcia/synclink_cs.c
> @@ -922,7 +922,7 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd)
>  		// BIT7:parity error
>  		// BIT6:framing error
>  
> -		if (status & (BIT7 + BIT6)) {
> +		if (status & (BIT7 | BIT6)) {
>  			if (status & BIT7)
>  				icount->parity++;
>  			else
> -- 
> 2.7.4
> 

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created.  Hopefully you will not take offence and will fix the problem
in your patch and resubmit it so that it can be accepted into the Linux
kernel tree.

You are receiving this message because of the following common error(s)
as indicated below:

- This looks like a new version of a previously submitted patch, but you
  did not list below the --- line any changes from the previous version.
  Please read the section entitled "The canonical patch format" in the
  kernel file, Documentation/SubmittingPatches for what needs to be done
  here to properly describe this.

If you wish to discuss this problem further, or you have questions about
how to resolve this issue, please feel free to respond to this email and
Greg will reply once he has dug out from the pending patches received
from other developers.

thanks,

greg k-h's patch email bot