From dea74869f3c62b0b7addd67017b22b394e942aac Mon Sep 17 00:00:00 2001 From: Patrick Boettcher Date: Sun, 14 May 2006 05:01:31 -0300 Subject: V4L/DVB (4028): Change dvb_frontend_ops to be a real field instead of a pointer field inside dvb_frontend The dvb_frontend_ops is a pointer inside dvb_frontend. That's why every demod-driver is having a field of dvb_frontend_ops in its private-state-struct and using the reference for filling the pointer-field in dvb_frontend. - It saves at least two lines of code per demod-driver, - reduces object size (one less dereference per frontend_ops-access), - be coherent with dvb_tuner_ops, - makes it a little bit easier for newbies to understand how it works and - avoids stupid mistakes because you would have to copy the dvb_frontend_ops always, before you could assign the static pointer directly, which was dangerous. Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/dvb_dummy_fe.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) (limited to 'drivers/media/dvb/frontends/dvb_dummy_fe.c') diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c index 78ea4ff03e68..6271b1e7f6ab 100644 --- a/drivers/media/dvb/frontends/dvb_dummy_fe.c +++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c @@ -30,7 +30,6 @@ struct dvb_dummy_fe_state { - struct dvb_frontend_ops ops; struct dvb_frontend frontend; }; @@ -121,11 +120,8 @@ struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void) state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); if (state == NULL) goto error; - /* setup the state */ - memcpy(&state->ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops)); - /* create dvb_frontend */ - state->frontend.ops = &state->ops; + memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; @@ -144,11 +140,8 @@ struct dvb_frontend* dvb_dummy_fe_qpsk_attach() state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); if (state == NULL) goto error; - /* setup the state */ - memcpy(&state->ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops)); - /* create dvb_frontend */ - state->frontend.ops = &state->ops; + memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; @@ -167,11 +160,8 @@ struct dvb_frontend* dvb_dummy_fe_qam_attach() state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); if (state == NULL) goto error; - /* setup the state */ - memcpy(&state->ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops)); - /* create dvb_frontend */ - state->frontend.ops = &state->ops; + memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; -- cgit v1.2.3