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path: root/drivers/media/media-devnode.c
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Diffstat (limited to 'drivers/media/media-devnode.c')
-rw-r--r--drivers/media/media-devnode.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c
index f6b52d549430..023b2a1cbb9b 100644
--- a/drivers/media/media-devnode.c
+++ b/drivers/media/media-devnode.c
@@ -30,6 +30,8 @@
* counting.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -215,7 +217,7 @@ int __must_check media_devnode_register(struct media_devnode *mdev)
minor = find_next_zero_bit(media_devnode_nums, MEDIA_NUM_DEVICES, 0);
if (minor == MEDIA_NUM_DEVICES) {
mutex_unlock(&media_devnode_lock);
- printk(KERN_ERR "could not get a free minor\n");
+ pr_err("could not get a free minor\n");
return -ENFILE;
}
@@ -230,7 +232,7 @@ int __must_check media_devnode_register(struct media_devnode *mdev)
ret = cdev_add(&mdev->cdev, MKDEV(MAJOR(media_dev_t), mdev->minor), 1);
if (ret < 0) {
- printk(KERN_ERR "%s: cdev_add failed\n", __func__);
+ pr_err("%s: cdev_add failed\n", __func__);
goto error;
}
@@ -243,7 +245,7 @@ int __must_check media_devnode_register(struct media_devnode *mdev)
dev_set_name(&mdev->dev, "media%d", mdev->minor);
ret = device_register(&mdev->dev);
if (ret < 0) {
- printk(KERN_ERR "%s: device_register failed\n", __func__);
+ pr_err("%s: device_register failed\n", __func__);
goto error;
}
@@ -287,18 +289,18 @@ static int __init media_devnode_init(void)
{
int ret;
- printk(KERN_INFO "Linux media interface: v0.10\n");
+ pr_info("Linux media interface: v0.10\n");
ret = alloc_chrdev_region(&media_dev_t, 0, MEDIA_NUM_DEVICES,
MEDIA_NAME);
if (ret < 0) {
- printk(KERN_WARNING "media: unable to allocate major\n");
+ pr_warn("unable to allocate major\n");
return ret;
}
ret = bus_register(&media_bus_type);
if (ret < 0) {
unregister_chrdev_region(media_dev_t, MEDIA_NUM_DEVICES);
- printk(KERN_WARNING "media: bus_register failed\n");
+ pr_warn("bus_register failed\n");
return -EIO;
}