Re: [PATCH BlueZ 1/1] btattach: Update for glibc 2.42 compatability

[Bastien Nocera <hadess@hadess.net>]

On Thu, 2026-09-03 at 11:27 -0700, Aaron Brice wrote:
> glibc 2.42 baud rate constants changed, use cfsetspeed to be
> compatible
> with newer glibc.

The explanation in your cover letter, which will not be committed,
should be in your patch's commit message, which will be committed.

Cheers

> ---
>  tools/btattach.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/btattach.c b/tools/btattach.c
> index 5f7d19093..cdd7b125b 100644
> --- a/tools/btattach.c
> +++ b/tools/btattach.c
> @@ -64,7 +64,12 @@ static int open_serial(const char *path, unsigned
> int speed, bool flowctl)
>  	memset(&ti, 0, sizeof(ti));
>  	cfmakeraw(&ti);
>  
> -	ti.c_cflag |= (speed | CLOCAL | CREAD);
> +	ti.c_cflag |= (CLOCAL | CREAD);
> +	if (cfsetspeed(&ti, speed) < 0) {
> +		perror("Failed to set serial port speed");
> +		close(fd);
> +		return -1;
> +	}
>  
>  	if (flowctl) {
>  		/* Set flow control */