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Commit e76bea9a authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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[media] dib0090: do the right thing if rf_ramp is NULL 



As warned by smatch:
	drivers/media/dvb-frontends/dib0090.c:1118 dib0090_pwm_gain_reset() error: we previously assumed 'state->rf_ramp' could be null (see line 1086)

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 55d066a4

drivers/media/dvb-frontends/dib0090.c

+9 −3
Original line number Diff line number Diff line
@@ -1115,9 +1115,15 @@ void dib0090_pwm_gain_reset(struct dvb_frontend *fe) 
		dib0090_set_bbramp_pwm(state, bb_ramp);



		/* activate the ramp generator using PWM control */

		dprintk("ramp RF gain = %d BAND = %s version = %d", state->rf_ramp[0], (state->current_band == BAND_CBAND) ? "CBAND" : "NOT CBAND", state->identity.version & 0x1f);



		if ((state->rf_ramp[0] == 0) || (state->current_band == BAND_CBAND && (state->identity.version & 0x1f) <= P1D_E_F)) {

		if (rf_ramp)

			dprintk("ramp RF gain = %d BAND = %s version = %d",

				state->rf_ramp[0],

				(state->current_band == BAND_CBAND) ? "CBAND" : "NOT CBAND",

				state->identity.version & 0x1f);



		if (rf_ramp && ((state->rf_ramp[0] == 0) ||

		    (state->current_band == BAND_CBAND &&

		    (state->identity.version & 0x1f) <= P1D_E_F))) {

			dprintk("DE-Engage mux for direct gain reg control");

			en_pwm_rf_mux = 0;

		} else