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Date: Tue, 9 Jul 2019 08:49:06 +0200 From: Jiri Slaby <jslaby@...e.com> To: Martin Hundebøll <martin@...nix.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org Cc: Esben Haabendal <esben@...nix.com>, Sean Nyekjær <sean@...nix.com> Subject: Re: [PATCHv2 4/4] tty: n_gsm: add ioctl to map serial device to mux'ed tty On 09. 07. 19, 8:46, Martin Hundebøll wrote: > @@ -2623,6 +2624,9 @@ static int gsmld_ioctl(struct tty_struct *tty, struct file *file, > if (copy_from_user(&c, (void *)arg, sizeof(c))) > return -EFAULT; > return gsm_config(gsm, &c); > + case GSMIOC_GETBASE: > + base = mux_num_to_base(gsm); > + return put_user(base, (int __user *)arg); I am not sure, but do you need the local variable at all? > default: > return n_tty_ioctl_helper(tty, file, cmd, arg); > } -- js suse labs
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