X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Ftelephony%2Fphonedev.c;h=bcea8d9b718ce782da7f1e3fdb20d4d278d9d00e;hb=450c622e9ff19888818d4e2c4d31adb97a5242b2;hp=e41f49afd0f4792dfe8e3b0290b398590a90d886;hpb=b20e481ab595e9667c33e2393bdfe9a31870d11f;p=linux-2.6 diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c index e41f49afd0..bcea8d9b71 100644 --- a/drivers/telephony/phonedev.c +++ b/drivers/telephony/phonedev.c @@ -120,14 +120,13 @@ 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); } -static struct file_operations phone_fops = +static const struct file_operations phone_fops = { .owner = THIS_MODULE, .open = phone_open,