diff options
Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-i2c.c')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-i2c.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-i2c.c b/drivers/media/pci/ivtv/ivtv-i2c.c index 982045c4eea8..c052c57c6dce 100644 --- a/drivers/media/pci/ivtv/ivtv-i2c.c +++ b/drivers/media/pci/ivtv/ivtv-i2c.c @@ -85,7 +85,7 @@ #define IVTV_ADAPTEC_IR_ADDR 0x6b /* This array should match the IVTV_HW_ defines */ -static const u8 hw_addrs[] = { +static const u8 hw_addrs[IVTV_HW_MAX_BITS] = { IVTV_CX25840_I2C_ADDR, IVTV_SAA7115_I2C_ADDR, IVTV_SAA7127_I2C_ADDR, @@ -110,7 +110,7 @@ static const u8 hw_addrs[] = { }; /* This array should match the IVTV_HW_ defines */ -static const char * const hw_devicenames[] = { +static const char * const hw_devicenames[IVTV_HW_MAX_BITS] = { "cx25840", "saa7115", "saa7127_auto", /* saa7127 or saa7129 */ @@ -240,10 +240,16 @@ void ivtv_i2c_new_ir_legacy(struct ivtv *itv) int ivtv_i2c_register(struct ivtv *itv, unsigned idx) { - struct v4l2_subdev *sd; struct i2c_adapter *adap = &itv->i2c_adap; - const char *type = hw_devicenames[idx]; - u32 hw = 1 << idx; + struct v4l2_subdev *sd; + const char *type; + u32 hw; + + if (idx >= IVTV_HW_MAX_BITS) + return -ENODEV; + + type = hw_devicenames[idx]; + hw = 1 << idx; if (hw == IVTV_HW_TUNER) { /* special tuner handling */ |