diff options
Diffstat (limited to 'drivers/media/radio/si4713-i2c.c')
| -rw-r--r-- | drivers/media/radio/si4713-i2c.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c index ab63dd5b25c4..a6e6f1987a3a 100644 --- a/drivers/media/radio/si4713-i2c.c +++ b/drivers/media/radio/si4713-i2c.c @@ -1009,8 +1009,10 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev, goto exit; } rval = copy_from_user(ps_name, control->string, len); - if (rval < 0) + if (rval) { + rval = -EFAULT; goto exit; + } ps_name[len] = '\0'; if (strlen(ps_name) % vqc.step) { @@ -1031,8 +1033,10 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev, goto exit; } rval = copy_from_user(radio_text, control->string, len); - if (rval < 0) + if (rval) { + rval = -EFAULT; goto exit; + } radio_text[len] = '\0'; if (strlen(radio_text) % vqc.step) { @@ -1367,6 +1371,8 @@ static int si4713_read_econtrol_string(struct si4713_device *sdev, } rval = copy_to_user(control->string, sdev->rds_info.ps_name, strlen(sdev->rds_info.ps_name) + 1); + if (rval) + rval = -EFAULT; break; case V4L2_CID_RDS_TX_RADIO_TEXT: @@ -1377,6 +1383,8 @@ static int si4713_read_econtrol_string(struct si4713_device *sdev, } rval = copy_to_user(control->string, sdev->rds_info.radio_text, strlen(sdev->rds_info.radio_text) + 1); + if (rval) + rval = -EFAULT; break; default: @@ -1796,7 +1804,7 @@ static int si4713_g_modulator(struct v4l2_subdev *sd, struct v4l2_modulator *vm) strncpy(vm->name, "FM Modulator", 32); vm->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW | - V4L2_TUNER_CAP_RDS; + V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_CONTROLS; /* Report current frequency range limits */ vm->rangelow = si4713_to_v4l2(FREQ_RANGE_LOW); |