diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c index 4d8c2a5b3297fdb2447f764ac8f5974277d936fd..bcea8d9b718ce782da7f1e3fdb20d4d278d9d00e 100644 --- a/drivers/telephony/phonedev.c +++ b/drivers/telephony/phonedev.c @@ -120,9 +120,8 @@ int phone_register_device(struct phone_device *p, int unit) void phone_unregister_device(struct phone_device *pfd) { mutex_lock(&phone_lock); - if (phone_device[pfd->minor] != pfd) - panic("phone: bad unregister"); - phone_device[pfd->minor] = NULL; + if (likely(phone_device[pfd->minor] == pfd)) + phone_device[pfd->minor] = NULL; mutex_unlock(&phone_lock); }