diff mbox

[media] dvb_frontend: print a msg if a property doesn't exist

Message ID 1358974088-10622-1-git-send-email-mchehab@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab Jan. 23, 2013, 8:48 p.m. UTC
If userspace calls a property that doesn't exist, it currently
just returns -EINVAL. However, this is more likely a problem at
the userspace application, calling it with a non-existing property.

So, add a debug message to help tracking it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb-core/dvb_frontend.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index f8943c2..36bee91 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -1479,6 +1479,9 @@  static int dtv_property_process_get(struct dvb_frontend *fe,
 		tvp->u.st = c->block_count;
 		break;
 	default:
+		dev_dbg(fe->dvb->device,
+			"%s: FE property %d doesn't exist\n",
+			__func__, tvp->cmd);
 		return -EINVAL;
 	}