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media: i2c: adv7842: drop check because i2c_unregister_device() is NULL safe 

No need to check the argument of i2c_unregister_device() because the
function itself does it.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Wolfram Sang 2019-08-20 12:34:41 -03:00 committed by Mauro Carvalho Chehab
parent 086c51e240
commit b5654c9425
1 changed files with 11 additions and 22 deletions
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33
drivers/media/i2c/adv7842.c
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@ -3351,28 +3351,17 @@ static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color = {
static void adv7842_unregister_clients(struct v4l2_subdev *sd)
{
struct adv7842_state *state = to_state(sd);
if (state->i2c_avlink)
i2c_unregister_device(state->i2c_avlink);
if (state->i2c_cec)
i2c_unregister_device(state->i2c_cec);
if (state->i2c_infoframe)
i2c_unregister_device(state->i2c_infoframe);
if (state->i2c_sdp_io)
i2c_unregister_device(state->i2c_sdp_io);
if (state->i2c_sdp)
i2c_unregister_device(state->i2c_sdp);
if (state->i2c_afe)
i2c_unregister_device(state->i2c_afe);
if (state->i2c_repeater)
i2c_unregister_device(state->i2c_repeater);
if (state->i2c_edid)
i2c_unregister_device(state->i2c_edid);
if (state->i2c_hdmi)
i2c_unregister_device(state->i2c_hdmi);
if (state->i2c_cp)
i2c_unregister_device(state->i2c_cp);
if (state->i2c_vdp)
i2c_unregister_device(state->i2c_vdp);
i2c_unregister_device(state->i2c_avlink);
i2c_unregister_device(state->i2c_cec);
i2c_unregister_device(state->i2c_infoframe);
i2c_unregister_device(state->i2c_sdp_io);
i2c_unregister_device(state->i2c_sdp);
i2c_unregister_device(state->i2c_afe);
i2c_unregister_device(state->i2c_repeater);
i2c_unregister_device(state->i2c_edid);
i2c_unregister_device(state->i2c_hdmi);
i2c_unregister_device(state->i2c_cp);
i2c_unregister_device(state->i2c_vdp);
state->i2c_avlink = NULL;
state->i2c_cec = NULL;