Use enum to represent table offsets rather than hard-coding numbers to avoid
problems with the numbers becoming out of sync with the table.

Signed-off-by: David Howells <dhowe...@redhat.com>
---

 drivers/media/usb/dvb-usb/cxusb.c |  113 +++++++++++++++++++++++--------------
 1 file changed, 69 insertions(+), 44 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/cxusb.c 
b/drivers/media/usb/dvb-usb/cxusb.c
index f327c49..40880c6 100644
--- a/drivers/media/usb/dvb-usb/cxusb.c
+++ b/drivers/media/usb/dvb-usb/cxusb.c
@@ -1516,28 +1516,53 @@ static void cxusb_disconnect(struct usb_interface *intf)
        dvb_usb_device_exit(intf);
 }
 
-static struct usb_device_id cxusb_table [] = {
-       { USB_DEVICE(USB_VID_MEDION, USB_PID_MEDION_MD95700) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LG064F_COLD) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LG064F_WARM) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_1_COLD) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_1_WARM) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LGZ201_COLD) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LGZ201_WARM) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_TH7579_COLD) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_TH7579_WARM) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_COLD) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_WARM) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_2_COLD) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_2_WARM) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_4) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2) },
-       { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) },
-       { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_A868R) },
-       { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2) },
-       { USB_DEVICE(USB_VID_CONEXANT, USB_PID_CONEXANT_D680_DMB) },
-       { USB_DEVICE(USB_VID_CONEXANT, USB_PID_MYGICA_D689) },
-       { USB_DEVICE(USB_VID_CONEXANT, USB_PID_MYGICA_T230) },
+enum cxusb_table_index {
+       MEDION_MD95700,
+       DVICO_BLUEBIRD_LG064F_COLD,
+       DVICO_BLUEBIRD_LG064F_WARM,
+       DVICO_BLUEBIRD_DUAL_1_COLD,
+       DVICO_BLUEBIRD_DUAL_1_WARM,
+       DVICO_BLUEBIRD_LGZ201_COLD,
+       DVICO_BLUEBIRD_LGZ201_WARM,
+       DVICO_BLUEBIRD_TH7579_COLD,
+       DVICO_BLUEBIRD_TH7579_WARM,
+       DIGITALNOW_BLUEBIRD_DUAL_1_COLD,
+       DIGITALNOW_BLUEBIRD_DUAL_1_WARM,
+       DVICO_BLUEBIRD_DUAL_2_COLD,
+       DVICO_BLUEBIRD_DUAL_2_WARM,
+       DVICO_BLUEBIRD_DUAL_4,
+       DVICO_BLUEBIRD_DVB_T_NANO_2,
+       DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM,
+       AVERMEDIA_VOLAR_A868R,
+       DVICO_BLUEBIRD_DUAL_4_REV_2,
+       CONEXANT_D680_DMB,
+       MYGICA_D689,
+       MYGICA_T230,
+       NR__cxusb_table_index
+};
+
+static struct usb_device_id cxusb_table[NR__cxusb_table_index + 1] = {
+       [MEDION_MD95700] = { USB_DEVICE(USB_VID_MEDION, USB_PID_MEDION_MD95700) 
},
+       [DVICO_BLUEBIRD_LG064F_COLD] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_LG064F_COLD) },
+       [DVICO_BLUEBIRD_LG064F_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_LG064F_WARM) },
+       [DVICO_BLUEBIRD_DUAL_1_COLD] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DUAL_1_COLD) },
+       [DVICO_BLUEBIRD_DUAL_1_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DUAL_1_WARM) },
+       [DVICO_BLUEBIRD_LGZ201_COLD] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_LGZ201_COLD) },
+       [DVICO_BLUEBIRD_LGZ201_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_LGZ201_WARM) },
+       [DVICO_BLUEBIRD_TH7579_COLD] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_TH7579_COLD) },
+       [DVICO_BLUEBIRD_TH7579_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_TH7579_WARM) },
+       [DIGITALNOW_BLUEBIRD_DUAL_1_COLD] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_COLD) },
+       [DIGITALNOW_BLUEBIRD_DUAL_1_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_WARM) },
+       [DVICO_BLUEBIRD_DUAL_2_COLD] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DUAL_2_COLD) },
+       [DVICO_BLUEBIRD_DUAL_2_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DUAL_2_WARM) },
+       [DVICO_BLUEBIRD_DUAL_4] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DUAL_4) },
+       [DVICO_BLUEBIRD_DVB_T_NANO_2] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2) },
+       [DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) },
+       [AVERMEDIA_VOLAR_A868R] = { USB_DEVICE(USB_VID_AVERMEDIA, 
USB_PID_AVERMEDIA_VOLAR_A868R) },
+       [DVICO_BLUEBIRD_DUAL_4_REV_2] = { USB_DEVICE(USB_VID_DVICO, 
USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2) },
+       [CONEXANT_D680_DMB] = { USB_DEVICE(USB_VID_CONEXANT, 
USB_PID_CONEXANT_D680_DMB) },
+       [MYGICA_D689] = { USB_DEVICE(USB_VID_CONEXANT, USB_PID_MYGICA_D689) },
+       [MYGICA_T230] = { USB_DEVICE(USB_VID_CONEXANT, USB_PID_MYGICA_T230) },
        {}              /* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, cxusb_table);
@@ -1581,7 +1606,7 @@ static struct dvb_usb_device_properties 
cxusb_medion_properties = {
        .devices = {
                {   "Medion MD95700 (MDUSBTV-HYBRID)",
                        { NULL },
-                       { &cxusb_table[0], NULL },
+                       { &cxusb_table[MEDION_MD95700], NULL },
                },
        }
 };
@@ -1637,8 +1662,8 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_lgh064f_properties = {
        .num_device_descs = 1,
        .devices = {
                {   "DViCO FusionHDTV5 USB Gold",
-                       { &cxusb_table[1], NULL },
-                       { &cxusb_table[2], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_LG064F_COLD], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_LG064F_WARM], NULL },
                },
        }
 };
@@ -1693,16 +1718,16 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_dee1601_properties = {
        .num_device_descs = 3,
        .devices = {
                {   "DViCO FusionHDTV DVB-T Dual USB",
-                       { &cxusb_table[3], NULL },
-                       { &cxusb_table[4], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DUAL_1_COLD], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DUAL_1_WARM], NULL },
                },
                {   "DigitalNow DVB-T Dual USB",
-                       { &cxusb_table[9],  NULL },
-                       { &cxusb_table[10], NULL },
+                       { &cxusb_table[DIGITALNOW_BLUEBIRD_DUAL_1_COLD],  NULL 
},
+                       { &cxusb_table[DIGITALNOW_BLUEBIRD_DUAL_1_WARM], NULL },
                },
                {   "DViCO FusionHDTV DVB-T Dual Digital 2",
-                       { &cxusb_table[11], NULL },
-                       { &cxusb_table[12], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DUAL_2_COLD], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DUAL_2_WARM], NULL },
                },
        }
 };
@@ -1756,8 +1781,8 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_lgz201_properties = {
        .num_device_descs = 1,
        .devices = {
                {   "DViCO FusionHDTV DVB-T USB (LGZ201)",
-                       { &cxusb_table[5], NULL },
-                       { &cxusb_table[6], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_LGZ201_COLD], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_LGZ201_WARM], NULL },
                },
        }
 };
@@ -1812,8 +1837,8 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_dtt7579_properties = {
        .num_device_descs = 1,
        .devices = {
                {   "DViCO FusionHDTV DVB-T USB (TH7579)",
-                       { &cxusb_table[7], NULL },
-                       { &cxusb_table[8], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_TH7579_COLD], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_TH7579_WARM], NULL },
                },
        }
 };
@@ -1865,7 +1890,7 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_dualdig4_properties = {
        .devices = {
                {   "DViCO FusionHDTV DVB-T Dual Digital 4",
                        { NULL },
-                       { &cxusb_table[13], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DUAL_4], NULL },
                },
        }
 };
@@ -1918,7 +1943,7 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_nano2_properties = {
        .devices = {
                {   "DViCO FusionHDTV DVB-T NANO2",
                        { NULL },
-                       { &cxusb_table[14], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DVB_T_NANO_2], NULL },
                },
        }
 };
@@ -1972,8 +1997,8 @@ static struct dvb_usb_device_properties 
cxusb_bluebird_nano2_needsfirmware_prope
        .num_device_descs = 1,
        .devices = {
                {   "DViCO FusionHDTV DVB-T NANO2 w/o firmware",
-                       { &cxusb_table[14], NULL },
-                       { &cxusb_table[15], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DVB_T_NANO_2], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM], 
NULL },
                },
        }
 };
@@ -2017,7 +2042,7 @@ static struct dvb_usb_device_properties 
cxusb_aver_a868r_properties = {
        .devices = {
                {   "AVerMedia AVerTVHD Volar (A868R)",
                        { NULL },
-                       { &cxusb_table[16], NULL },
+                       { &cxusb_table[AVERMEDIA_VOLAR_A868R], NULL },
                },
        }
 };
@@ -2071,7 +2096,7 @@ struct dvb_usb_device_properties 
cxusb_bluebird_dualdig4_rev2_properties = {
        .devices = {
                {   "DViCO FusionHDTV DVB-T Dual Digital 4 (rev 2)",
                        { NULL },
-                       { &cxusb_table[17], NULL },
+                       { &cxusb_table[DVICO_BLUEBIRD_DUAL_4_REV_2], NULL },
                },
        }
 };
@@ -2125,7 +2150,7 @@ static struct dvb_usb_device_properties 
cxusb_d680_dmb_properties = {
                {
                        "Conexant DMB-TH Stick",
                        { NULL },
-                       { &cxusb_table[18], NULL },
+                       { &cxusb_table[CONEXANT_D680_DMB], NULL },
                },
        }
 };
@@ -2179,7 +2204,7 @@ static struct dvb_usb_device_properties 
cxusb_mygica_d689_properties = {
                {
                        "Mygica D689 DMB-TH",
                        { NULL },
-                       { &cxusb_table[19], NULL },
+                       { &cxusb_table[MYGICA_D689], NULL },
                },
        }
 };
@@ -2232,7 +2257,7 @@ static struct dvb_usb_device_properties 
cxusb_mygica_t230_properties = {
                {
                        "Mygica T230 DVB-T/T2/C",
                        { NULL },
-                       { &cxusb_table[20], NULL },
+                       { &cxusb_table[MYGICA_T230], NULL },
                },
        }
 };

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