[PATCH] dvb: usb: dtt200u: copy frontend_ops before modifying
Fix: copy frontend_ops before modifying Signed-off-by: Ye Jianjun (Joey) <joeyye@trident.com.cn> Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -18,6 +18,7 @@ struct dtt200u_fe_state {
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struct dvb_frontend_parameters fep;
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struct dvb_frontend frontend;
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struct dvb_frontend_ops ops;
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};
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static int dtt200u_fe_read_status(struct dvb_frontend* fe, fe_status_t *stat)
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@ -163,8 +164,9 @@ struct dvb_frontend* dtt200u_fe_attach(struct dvb_usb_device *d)
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deb_info("attaching frontend dtt200u\n");
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state->d = d;
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memcpy(&state->ops,&dtt200u_fe_ops,sizeof(struct dvb_frontend_ops));
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state->frontend.ops = &dtt200u_fe_ops;
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state->frontend.ops = &state->ops;
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state->frontend.demodulator_priv = state;
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goto success;
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