[media] em28xx: print a message at disconnect

That helps to identify if something fails and explain why em28xx
struct is not freed (if it ever happens).

Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

4 files changed, 8 insertions, 0 deletions

diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index 7f762db94b5f..26cf431b1a46 100644
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -956,6 +956,8 @@ static int em28xx_audio_fini(struct em28xx *dev)
                 return 0;
         }
 
+        em28xx_info("Closing audio extension");
+
         snd_card_disconnect(dev->adev.sndcard);
         em28xx_audio_free_urb(dev);
 
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 5ea563e3f0e4..f4cdf9e8dc18 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -1472,6 +1472,8 @@ static int em28xx_dvb_fini(struct em28xx *dev)
                 return 0;
         }
 
+        em28xx_info("Closing DVB extension");
+
         if (dev->dvb) {
                 struct em28xx_dvb *dvb = dev->dvb;
 
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c
index 61c061f3a476..18f65d89d4bc 100644
--- a/drivers/media/usb/em28xx/em28xx-input.c
+++ b/drivers/media/usb/em28xx/em28xx-input.c
@@ -810,6 +810,8 @@ static int em28xx_ir_fini(struct em28xx *dev)
                 return 0;
         }
 
+        em28xx_info("Closing input extension");
+
         em28xx_shutdown_buttons(dev);
 
         /* skip detach on non attached boards */
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 587ff3fe9402..1486d4740973 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1894,6 +1894,8 @@ static int em28xx_v4l2_fini(struct em28xx *dev)
                 return 0;
         }
 
+        em28xx_info("Closing video extension");
+
         v4l2_device_disconnect(&dev->v4l2_dev);
 
         em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE);