V4L/DVB (13550): v4l: Use the new video_device_node_name function

Fix all device drivers to use the new video_device_node_name function.

This also strips kernel log messages from the "/dev/" prefix, has the device
node location is a userspace policy decision unknown to the kernel.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 24 insertions, 22 deletions

diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c
index 4a7711c3e745..4cf41a8d44ed 100644
--- a/drivers/media/video/sn9c102/sn9c102_core.c
+++ b/drivers/media/video/sn9c102/sn9c102_core.c
@@ -1007,8 +1007,8 @@ static int sn9c102_stream_interrupt(struct sn9c102_device* cam)
         else if (cam->stream != STREAM_OFF) {
                 cam->state |= DEV_MISCONFIGURED;
                 DBG(1, "URB timeout reached. The camera is misconfigured. "
-                       "To use it, close and open /dev/video%d again.",
-                    cam->v4ldev->num);
+                       "To use it, close and open %s again.",
+                    video_device_node_name(cam->v4ldev));
                 return -EIO;
         }
 
@@ -1734,7 +1734,8 @@ static void sn9c102_release_resources(struct kref *kref)
 
         cam = container_of(kref, struct sn9c102_device, kref);
 
-        DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->num);
+        DBG(2, "V4L2 device %s deregistered",
+            video_device_node_name(cam->v4ldev));
         video_set_drvdata(cam->v4ldev, NULL);
         video_unregister_device(cam->v4ldev);
         usb_put_dev(cam->usbdev);
@@ -1791,8 +1792,8 @@ static int sn9c102_open(struct file *filp)
         }
 
         if (cam->users) {
-                DBG(2, "Device /dev/video%d is already in use",
-                       cam->v4ldev->num);
+                DBG(2, "Device %s is already in use",
+                    video_device_node_name(cam->v4ldev));
                 DBG(3, "Simultaneous opens are not supported");
                 /*
                    open() must follow the open flags and should block
@@ -1845,7 +1846,7 @@ static int sn9c102_open(struct file *filp)
         cam->frame_count = 0;
         sn9c102_empty_framequeues(cam);
 
-        DBG(3, "Video device /dev/video%d is open", cam->v4ldev->num);
+        DBG(3, "Video device %s is open", video_device_node_name(cam->v4ldev));
 
 out:
         mutex_unlock(&cam->open_mutex);
@@ -1870,7 +1871,7 @@ static int sn9c102_release(struct file *filp)
         cam->users--;
         wake_up_interruptible_nr(&cam->wait_open, 1);
 
-        DBG(3, "Video device /dev/video%d closed", cam->v4ldev->num);
+        DBG(3, "Video device %s closed", video_device_node_name(cam->v4ldev));
 
         kref_put(&cam->kref, sn9c102_release_resources);
 
@@ -2433,8 +2434,8 @@ sn9c102_vidioc_s_crop(struct sn9c102_device* cam, void __user * arg)
         if (err) { /* atomic, no rollback in ioctl() */
                 cam->state |= DEV_MISCONFIGURED;
                 DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To "
-                       "use the camera, close and open /dev/video%d again.",
-                    cam->v4ldev->num);
+                       "use the camera, close and open %s again.",
+                    video_device_node_name(cam->v4ldev));
                 return -EIO;
         }
 
@@ -2446,8 +2447,8 @@ sn9c102_vidioc_s_crop(struct sn9c102_device* cam, void __user * arg)
             nbuffers != sn9c102_request_buffers(cam, nbuffers, cam->io)) {
                 cam->state |= DEV_MISCONFIGURED;
                 DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To "
-                       "use the camera, close and open /dev/video%d again.",
-                    cam->v4ldev->num);
+                       "use the camera, close and open %s again.",
+                    video_device_node_name(cam->v4ldev));
                 return -ENOMEM;
         }
 
@@ -2690,8 +2691,8 @@ sn9c102_vidioc_try_s_fmt(struct sn9c102_device* cam, unsigned int cmd,
         if (err) { /* atomic, no rollback in ioctl() */
                 cam->state |= DEV_MISCONFIGURED;
                 DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To "
-                       "use the camera, close and open /dev/video%d again.",
-                    cam->v4ldev->num);
+                       "use the camera, close and open %s again.",
+                    video_device_node_name(cam->v4ldev));
                 return -EIO;
         }
 
@@ -2702,8 +2703,8 @@ sn9c102_vidioc_try_s_fmt(struct sn9c102_device* cam, unsigned int cmd,
             nbuffers != sn9c102_request_buffers(cam, nbuffers, cam->io)) {
                 cam->state |= DEV_MISCONFIGURED;
                 DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To "
-                       "use the camera, close and open /dev/video%d again.",
-                    cam->v4ldev->num);
+                       "use the camera, close and open %s again.",
+                    video_device_node_name(cam->v4ldev));
                 return -ENOMEM;
         }
 
@@ -2748,9 +2749,9 @@ sn9c102_vidioc_s_jpegcomp(struct sn9c102_device* cam, void __user * arg)
         err += sn9c102_set_compression(cam, &jc);
         if (err) { /* atomic, no rollback in ioctl() */
                 cam->state |= DEV_MISCONFIGURED;
-                DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware "
-                       "problems. To use the camera, close and open "
-                       "/dev/video%d again.", cam->v4ldev->num);
+                DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware problems. "
+                       "To use the camera, close and open %s again.",
+                    video_device_node_name(cam->v4ldev));
                 return -EIO;
         }
 
@@ -3346,7 +3347,8 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
                 goto fail;
         }
 
-        DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->num);
+        DBG(2, "V4L2 device registered as %s",
+            video_device_node_name(cam->v4ldev));
 
         video_set_drvdata(cam->v4ldev, cam);
         cam->module_param.force_munmap = force_munmap[dev_nr];
@@ -3398,9 +3400,9 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf)
         DBG(2, "Disconnecting %s...", cam->v4ldev->name);
 
         if (cam->users) {
-                DBG(2, "Device /dev/video%d is open! Deregistration and "
-                       "memory deallocation are deferred.",
-                    cam->v4ldev->num);
+                DBG(2, "Device %s is open! Deregistration and memory "
+                       "deallocation are deferred.",
+                    video_device_node_name(cam->v4ldev));
                 cam->state |= DEV_MISCONFIGURED;
                 sn9c102_stop_transfer(cam);
                 cam->state |= DEV_DISCONNECTED;