提交 eba841ed 编写于 作者: P Patrick Boettcher 提交者: Mauro Carvalho Chehab

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: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>
上级 63631366
......@@ -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;
......
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