hor Hans de Goede <hdegoede@redhat.com> 1289921529 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1293617813 -0200

[media] pwc: failure to submit an urb is a fatal error

Failure to submit an urb is a fatal error, make isoc_init return an
error when this happens rather then only log it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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