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tty: n_gsm: name gsm tty device minors

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Add a macro which defines the possible number of virtual devices for n_gsm
to improve code readability.

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Daniel Starke <daniel.starke@siemens.com>
Link: https://lore.kernel.org/r/20220831073800.7459-2-daniel.starke@siemens.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daniel Starke 2022-08-31 09:37:56 +02:00 committed by Greg Kroah-Hartman
parent 19fb0a664f
commit 796492de01
1 changed files with 4 additions and 1 deletions
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5
drivers/tty/n_gsm.c
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@ -164,6 +164,9 @@ struct gsm_dlci {
struct net_device *net; /* network interface, if created */
};
/* Total number of supported devices */
#define GSM_TTY_MINORS 256
/* DLCI 0, 62/63 are special or reserved see gsmtty_open */
#define NUM_DLCI 64
@ -3741,7 +3744,7 @@ static int __init gsm_init(void)
return status;
}
gsm_tty_driver = tty_alloc_driver(256, TTY_DRIVER_REAL_RAW |
gsm_tty_driver = tty_alloc_driver(GSM_TTY_MINORS, TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_HARDWARE_BREAK);
if (IS_ERR(gsm_tty_driver)) {
pr_err("gsm_init: tty allocation failed.\n");