diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-03 18:03:21 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-11 15:44:25 (GMT) |
| commit | 7cc0a3d85b5d4acb69d60a88de0bd029bef04b4f (patch) | |
| tree | 33b5f067f0ff85ed945a7d43232fb671fee0aff8 | |
| parent | 63580c3e48de1a35ec8847ea24f1acb5aef48608 (diff) | |
| download | linux-7cc0a3d85b5d4acb69d60a88de0bd029bef04b4f.tar.xz | |
drm/radeon/dce6/audio: make sure pin is valid before accessing it
Make sure the audio pin is valid before accessing its members.
Noticed by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/dce6_afmt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 8953255e..3853dda 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -86,12 +86,12 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder) struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; u32 offset = dig->afmt->offset; - u32 id = dig->afmt->pin->id; if (!dig->afmt->pin) return; - WREG32(AFMT_AUDIO_SRC_CONTROL + offset, AFMT_AUDIO_SRC_SELECT(id)); + WREG32(AFMT_AUDIO_SRC_CONTROL + offset, + AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id)); } void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder) |