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

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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>
This commit is contained in:
Mauro Carvalho Chehab 2013-01-23 17:06:02 -03:00
parent 25188bd0e6
commit 94a93e5f85
1 changed files with 3 additions and 0 deletions
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3
drivers/media/dvb-core/dvb_frontend.c
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@ -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;
}