From 54fcecafe5737d6987c2e6e203598e4dfb5112b0 Mon Sep 17 00:00:00 2001 From: Andi Shyti Date: Wed, 6 Jul 2016 06:01:17 -0300 Subject: [PATCH] [media] lirc_dev: simplify goto paths The code can be rearranged so that some goto paths can be removed Signed-off-by: Andi Shyti Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/lirc_dev.c | 34 ++++++++++++---------------------- 1 file changed, 12 insertions(+), 22 deletions(-) diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index 59f4c93cccc4..b11d02682d13 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -243,52 +243,44 @@ static int lirc_allocate_driver(struct lirc_driver *d) if (!d) { pr_err("driver pointer must be not NULL!\n"); - err = -EBADRQC; - goto out; + return -EBADRQC; } if (!d->dev) { pr_err("dev pointer not filled in!\n"); - err = -EINVAL; - goto out; + return -EINVAL; } if (MAX_IRCTL_DEVICES <= d->minor) { dev_err(d->dev, "minor must be between 0 and %d!\n", MAX_IRCTL_DEVICES - 1); - err = -EBADRQC; - goto out; + return -EBADRQC; } if (1 > d->code_length || (BUFLEN * 8) < d->code_length) { dev_err(d->dev, "code length must be less than %d bits\n", BUFLEN * 8); - err = -EBADRQC; - goto out; + return -EBADRQC; } if (d->sample_rate) { if (2 > d->sample_rate || HZ < d->sample_rate) { dev_err(d->dev, "invalid %d sample rate\n", d->sample_rate); - err = -EBADRQC; - goto out; + return -EBADRQC; } if (!d->add_to_buf) { dev_err(d->dev, "add_to_buf not set\n"); - err = -EBADRQC; - goto out; + return -EBADRQC; } } else if (!(d->fops && d->fops->read) && !d->rbuf) { dev_err(d->dev, "fops->read and rbuf are NULL!\n"); - err = -EBADRQC; - goto out; + return -EBADRQC; } else if (!d->rbuf) { if (!(d->fops && d->fops->read && d->fops->poll && d->fops->unlocked_ioctl)) { dev_err(d->dev, "undefined read, poll, ioctl\n"); - err = -EBADRQC; - goto out; + return -EBADRQC; } } @@ -366,7 +358,7 @@ out_sysfs: device_destroy(lirc_class, MKDEV(MAJOR(lirc_base_dev), ir->d.minor)); out_lock: mutex_unlock(&lirc_dev_lock); -out: + return err; } @@ -790,9 +782,8 @@ static int __init lirc_dev_init(void) lirc_class = class_create(THIS_MODULE, "lirc"); if (IS_ERR(lirc_class)) { - retval = PTR_ERR(lirc_class); pr_err("class_create failed\n"); - goto error; + return PTR_ERR(lirc_class); } retval = alloc_chrdev_region(&lirc_base_dev, 0, MAX_IRCTL_DEVICES, @@ -800,15 +791,14 @@ static int __init lirc_dev_init(void) if (retval) { class_destroy(lirc_class); pr_err("alloc_chrdev_region failed\n"); - goto error; + return retval; } pr_info("IR Remote Control driver registered, major %d\n", MAJOR(lirc_base_dev)); -error: - return retval; + return 0; } -- 2.39.5