media: dib0900: fix smatch warnings
authorHans Verkuil <hverkuil@xs4all.nl>
Thu, 22 Nov 2018 10:03:01 +0000 (05:03 -0500)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Mon, 3 Dec 2018 18:30:15 +0000 (13:30 -0500)
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1075 dib0090_pwm_gain_reset() warn: '*&bb_ramp_pwm_normal' 2590696709486571520 can't fit into 65535 '*bb_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1083 dib0090_pwm_gain_reset() warn: '*&bb_ramp_pwm_normal_socs' 2590696709486571520 can't fit into 65535 '*bb_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1085 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_cband_8090' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1089 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_cband_7090e_sensitivity' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1093 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_cband_7090p' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1096 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_cband' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1101 dib0090_pwm_gain_reset() warn: '*&bb_ramp_pwm_normal_socs' 2590696709486571520 can't fit into 65535 '*bb_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1104 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_vhf' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1107 dib0090_pwm_gain_reset() warn: '*&bb_ramp_pwm_normal_socs' 2590696709486571520 can't fit into 65535 '*bb_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1109 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_uhf_8090' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1111 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_uhf_7090' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1113 dib0090_pwm_gain_reset() warn: '*&rf_ramp_pwm_uhf' 2590696709486571520 can't fit into 65535 '*rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1419 dib0090_update_rframp_7090() warn: '*&rf_ramp_pwm_cband_7090e_sensitivity' 2590696709486571520 can't fit into 65535
'*state->rf_ramp'
drivers/media/dvb-frontends/dib0090.c: drivers/media/dvb-frontends/dib0090.c:1421 dib0090_update_rframp_7090() warn: '*&rf_ramp_pwm_cband_7090e_aci' 2590696709486571520 can't fit into 65535
'*state->rf_ramp'

For no apparent reason this code casts away the const of the const u16 arrays, and it
also takes the address of an array. While that's ignored in C I think smatch gets confused
by it.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/dvb-frontends/dib0090.c

index 44a0742..4813a88 100644 (file)
@@ -1072,45 +1072,45 @@ static void dib0090_set_bbramp_pwm(struct dib0090_state *state, const u16 * cfg)
 void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
 {
        struct dib0090_state *state = fe->tuner_priv;
-       u16 *bb_ramp = (u16 *)&bb_ramp_pwm_normal; /* default baseband config */
-       u16 *rf_ramp = NULL;
+       const u16 *bb_ramp = bb_ramp_pwm_normal; /* default baseband config */
+       const u16 *rf_ramp = NULL;
        u8 en_pwm_rf_mux = 1;
 
        /* reset the AGC */
        if (state->config->use_pwm_agc) {
                if (state->current_band == BAND_CBAND) {
                        if (state->identity.in_soc) {
-                               bb_ramp = (u16 *)&bb_ramp_pwm_normal_socs;
+                               bb_ramp = bb_ramp_pwm_normal_socs;
                                if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1)
-                                       rf_ramp = (u16 *)&rf_ramp_pwm_cband_8090;
+                                       rf_ramp = rf_ramp_pwm_cband_8090;
                                else if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1) {
                                        if (state->config->is_dib7090e) {
                                                if (state->rf_ramp == NULL)
-                                                       rf_ramp = (u16 *)&rf_ramp_pwm_cband_7090e_sensitivity;
+                                                       rf_ramp = rf_ramp_pwm_cband_7090e_sensitivity;
                                                else
-                                                       rf_ramp = (u16 *)state->rf_ramp;
+                                                       rf_ramp = state->rf_ramp;
                                        } else
-                                               rf_ramp = (u16 *)&rf_ramp_pwm_cband_7090p;
+                                               rf_ramp = rf_ramp_pwm_cband_7090p;
                                }
                        } else
-                               rf_ramp = (u16 *)&rf_ramp_pwm_cband;
+                               rf_ramp = rf_ramp_pwm_cband;
                } else
 
                        if (state->current_band == BAND_VHF) {
                                if (state->identity.in_soc) {
-                                       bb_ramp = (u16 *)&bb_ramp_pwm_normal_socs;
+                                       bb_ramp = bb_ramp_pwm_normal_socs;
                                        /* rf_ramp = &rf_ramp_pwm_vhf_socs; */ /* TODO */
                                } else
-                                       rf_ramp = (u16 *)&rf_ramp_pwm_vhf;
+                                       rf_ramp = rf_ramp_pwm_vhf;
                        } else if (state->current_band == BAND_UHF) {
                                if (state->identity.in_soc) {
-                                       bb_ramp = (u16 *)&bb_ramp_pwm_normal_socs;
+                                       bb_ramp = bb_ramp_pwm_normal_socs;
                                        if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1)
-                                               rf_ramp = (u16 *)&rf_ramp_pwm_uhf_8090;
+                                               rf_ramp = rf_ramp_pwm_uhf_8090;
                                        else if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1)
-                                               rf_ramp = (u16 *)&rf_ramp_pwm_uhf_7090;
+                                               rf_ramp = rf_ramp_pwm_uhf_7090;
                                } else
-                                       rf_ramp = (u16 *)&rf_ramp_pwm_uhf;
+                                       rf_ramp = rf_ramp_pwm_uhf;
                        }
                if (rf_ramp)
                        dib0090_set_rframp_pwm(state, rf_ramp);
@@ -1416,9 +1416,9 @@ int dib0090_update_rframp_7090(struct dvb_frontend *fe, u8 cfg_sensitivity)
        }
 
        if (cfg_sensitivity)
-               state->rf_ramp = (const u16 *)&rf_ramp_pwm_cband_7090e_sensitivity;
+               state->rf_ramp = rf_ramp_pwm_cband_7090e_sensitivity;
        else
-               state->rf_ramp = (const u16 *)&rf_ramp_pwm_cband_7090e_aci;
+               state->rf_ramp = rf_ramp_pwm_cband_7090e_aci;
        dib0090_pwm_gain_reset(fe);
 
        return 0;