Re: [PATCH] tty: serial: jsm_tty: fixed a assignment in if condition

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On Mon, Nov 15, 2021 at 11:54:13PM +0530, Sahil Patidar wrote:
> Fixed assignment in if condition.

What exactly is "fixed"?

And why are there two spaces in your subject line?

> 
> Signed-off-by: Sahil Patidar <sahilpatidar4051@xxxxxxxxx>
> ---
>  drivers/tty/serial/jsm/jsm_tty.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
> index d74cbbbf33c6..44507b1ff93a 100644
> --- a/drivers/tty/serial/jsm/jsm_tty.c
> +++ b/drivers/tty/serial/jsm/jsm_tty.c
> @@ -746,10 +746,10 @@ static void jsm_carrier(struct jsm_channel *ch)
>  void jsm_check_queue_flow_control(struct jsm_channel *ch)
>  {
>  	struct board_ops *bd_ops = ch->ch_bd->bd_ops;
> -	int qleft;
> +	int qleft = ch->ch_r_tail - ch->ch_r_head - 1;
>  
>  	/* Store how much space we have left in the queue */
> -	if ((qleft = ch->ch_r_tail - ch->ch_r_head - 1) < 0)
> +	if (qleft < 0)

What was wrong with the original code that required this change?

thanks,

greg k-h



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