diff options
| -rw-r--r-- | drivers/net/wwan/wwan_core.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c index 2844b17a724c..9346b2661eb3 100644 --- a/drivers/net/wwan/wwan_core.c +++ b/drivers/net/wwan/wwan_core.c @@ -14,7 +14,8 @@ #include <linux/types.h> #include <linux/wwan.h> -#define WWAN_MAX_MINORS 256 /* 256 minors allowed with register_chrdev() */ +/* Maximum number of minors in use */ +#define WWAN_MAX_MINORS (1 << MINORBITS) static DEFINE_MUTEX(wwan_register_lock); /* WWAN device create|remove lock */ static DEFINE_IDA(minors); /* minors for WWAN port chardevs */ @@ -634,7 +635,8 @@ static int __init wwan_init(void) return PTR_ERR(wwan_class); /* chrdev used for wwan ports */ - wwan_major = register_chrdev(0, "wwan_port", &wwan_port_fops); + wwan_major = __register_chrdev(0, 0, WWAN_MAX_MINORS, "wwan_port", + &wwan_port_fops); if (wwan_major < 0) { class_destroy(wwan_class); return wwan_major; @@ -645,7 +647,7 @@ static int __init wwan_init(void) static void __exit wwan_exit(void) { - unregister_chrdev(wwan_major, "wwan_port"); + __unregister_chrdev(wwan_major, 0, WWAN_MAX_MINORS, "wwan_port"); class_destroy(wwan_class); } |