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Commit 123aab28 authored by Patrick Boettcher's avatar Patrick Boettcher Committed by Mauro Carvalho Chehab
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V4L/DVB (3312): FIX: Multiple usage of VP7045-based devices 



Reassigning function pointers in a static led to infinite loops when using
multiple VP7045-based device at the same time on one system. Using kmalloc'd
copies for reassignments is better.

Signed-off-by: default avatarPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent fb51fd2d

drivers/media/dvb/dvb-usb/vp7045-fe.c

+4 −2
Original line number Diff line number Diff line
@@ -23,10 +23,11 @@ 


struct vp7045_fe_state {

	struct dvb_frontend fe;

	struct dvb_frontend_ops ops;



	struct dvb_usb_device *d;

};





static int vp7045_fe_read_status(struct dvb_frontend* fe, fe_status_t *status)

{

	struct vp7045_fe_state *state = fe->demodulator_priv;
@@ -150,7 +151,8 @@ struct dvb_frontend * vp7045_fe_attach(struct dvb_usb_device *d) 
		goto error;



	s->d = d;

	s->fe.ops = &vp7045_fe_ops;

	memcpy(&s->ops, &vp7045_fe_ops, sizeof(struct dvb_frontend_ops));

	s->fe.ops = &s->ops;

	s->fe.demodulator_priv = s;



	goto success;