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[media] dvb_frontend: merge the two dvb_frontend_detach() versions 

This code duplication is confusing and error prone.  Let's merge them
by moving the release/dvb_detach call into one function with one

Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Max Kellermann 2016-08-09 18:32:36 -03:00 committed by Mauro Carvalho Chehab
parent 194ced7a5a
commit 967d8e8f4c
1 changed files with 16 additions and 34 deletions
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50
drivers/media/dvb-core/dvb_frontend.c
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@ -2740,40 +2740,22 @@ int dvb_unregister_frontend(struct dvb_frontend* fe)
}
EXPORT_SYMBOL(dvb_unregister_frontend);
static void dvb_frontend_invoke_release(struct dvb_frontend *fe,
void (*release)(struct dvb_frontend *fe))
{
if (release) {
release(fe);
#ifdef CONFIG_MEDIA_ATTACH
void dvb_frontend_detach(struct dvb_frontend* fe)
{
void *ptr;
if (fe->ops.release_sec) {
fe->ops.release_sec(fe);
dvb_detach(fe->ops.release_sec);
}
if (fe->ops.tuner_ops.release) {
fe->ops.tuner_ops.release(fe);
dvb_detach(fe->ops.tuner_ops.release);
}
if (fe->ops.analog_ops.release) {
fe->ops.analog_ops.release(fe);
dvb_detach(fe->ops.analog_ops.release);
}
ptr = (void*)fe->ops.release;
if (ptr) {
fe->ops.release(fe);
dvb_detach(ptr);
}
}
#else
void dvb_frontend_detach(struct dvb_frontend* fe)
{
if (fe->ops.release_sec)
fe->ops.release_sec(fe);
if (fe->ops.tuner_ops.release)
fe->ops.tuner_ops.release(fe);
if (fe->ops.analog_ops.release)
fe->ops.analog_ops.release(fe);
if (fe->ops.release)
fe->ops.release(fe);
}
dvb_detach(release);
#endif
}
}
void dvb_frontend_detach(struct dvb_frontend* fe)
{
dvb_frontend_invoke_release(fe, fe->ops.release_sec);
dvb_frontend_invoke_release(fe, fe->ops.tuner_ops.release);
dvb_frontend_invoke_release(fe, fe->ops.analog_ops.release);
dvb_frontend_invoke_release(fe, fe->ops.release);
}
EXPORT_SYMBOL(dvb_frontend_detach);