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authorJaejoong Kim <climbbb.kim@gmail.com>2017-01-12 04:31:21 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-01-31 15:56:48 +0300
commit39dc3aaeec638f1f5399777eea5e21dd5a699f46 (patch)
tree8c18f7a7225c3b6b1641e0382acce3a421c7f39b /drivers/media/usb
parent17c341ec0115837a610b2da15e32546e26068234 (diff)
downloadlinux-39dc3aaeec638f1f5399777eea5e21dd5a699f46.tar.xz
[media] uvcvideo: Change result code of debugfs_init to void
The device driver should keep going even if debugfs initialization fails. So, change the return type to void. Signed-off-by: Jaejoong Kim <climbbb.kim@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/uvc/uvc_debugfs.c15
-rw-r--r--drivers/media/usb/uvc/uvcvideo.h4
2 files changed, 8 insertions, 11 deletions
diff --git a/drivers/media/usb/uvc/uvc_debugfs.c b/drivers/media/usb/uvc/uvc_debugfs.c
index 14561a5abb79..368f8f8dfcb5 100644
--- a/drivers/media/usb/uvc/uvc_debugfs.c
+++ b/drivers/media/usb/uvc/uvc_debugfs.c
@@ -75,14 +75,14 @@ static const struct file_operations uvc_debugfs_stats_fops = {
static struct dentry *uvc_debugfs_root_dir;
-int uvc_debugfs_init_stream(struct uvc_streaming *stream)
+void uvc_debugfs_init_stream(struct uvc_streaming *stream)
{
struct usb_device *udev = stream->dev->udev;
struct dentry *dent;
char dir_name[32];
if (uvc_debugfs_root_dir == NULL)
- return -ENODEV;
+ return;
sprintf(dir_name, "%u-%u", udev->bus->busnum, udev->devnum);
@@ -90,7 +90,7 @@ int uvc_debugfs_init_stream(struct uvc_streaming *stream)
if (IS_ERR_OR_NULL(dent)) {
uvc_printk(KERN_INFO, "Unable to create debugfs %s "
"directory.\n", dir_name);
- return -ENODEV;
+ return;
}
stream->debugfs_dir = dent;
@@ -100,10 +100,8 @@ int uvc_debugfs_init_stream(struct uvc_streaming *stream)
if (IS_ERR_OR_NULL(dent)) {
uvc_printk(KERN_INFO, "Unable to create debugfs stats file.\n");
uvc_debugfs_cleanup_stream(stream);
- return -ENODEV;
+ return;
}
-
- return 0;
}
void uvc_debugfs_cleanup_stream(struct uvc_streaming *stream)
@@ -115,18 +113,17 @@ void uvc_debugfs_cleanup_stream(struct uvc_streaming *stream)
stream->debugfs_dir = NULL;
}
-int uvc_debugfs_init(void)
+void uvc_debugfs_init(void)
{
struct dentry *dir;
dir = debugfs_create_dir("uvcvideo", usb_debug_root);
if (IS_ERR_OR_NULL(dir)) {
uvc_printk(KERN_INFO, "Unable to create debugfs directory\n");
- return -ENODATA;
+ return;
}
uvc_debugfs_root_dir = dir;
- return 0;
}
void uvc_debugfs_cleanup(void)
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 3d6cc62f3cd2..4205e7a423f0 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -757,9 +757,9 @@ void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream,
struct uvc_buffer *buf);
/* debugfs and statistics */
-int uvc_debugfs_init(void);
+void uvc_debugfs_init(void);
void uvc_debugfs_cleanup(void);
-int uvc_debugfs_init_stream(struct uvc_streaming *stream);
+void uvc_debugfs_init_stream(struct uvc_streaming *stream);
void uvc_debugfs_cleanup_stream(struct uvc_streaming *stream);
size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf,