Commit 2b16b44a authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab

[media] v4l: omap4iss: Simplify error paths

Get rid of a goto statement for a simple error path that can be inlined,
and split spaghetti error code to a separate section.
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 245d6b2d
......@@ -887,24 +887,22 @@ void omap4iss_isp_subclk_disable(struct iss_device *iss,
*/
static int iss_enable_clocks(struct iss_device *iss)
{
int r;
int ret;
r = clk_enable(iss->iss_fck);
if (r) {
ret = clk_enable(iss->iss_fck);
if (ret) {
dev_err(iss->dev, "clk_enable iss_fck failed\n");
return r;
return ret;
}
r = clk_enable(iss->iss_ctrlclk);
if (r) {
ret = clk_enable(iss->iss_ctrlclk);
if (ret) {
dev_err(iss->dev, "clk_enable iss_ctrlclk failed\n");
goto out_clk_enable_ctrlclk;
clk_disable(iss->iss_fck);
return ret;
}
return 0;
out_clk_enable_ctrlclk:
clk_disable(iss->iss_fck);
return r;
return 0;
}
/*
......
......@@ -826,7 +826,9 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
spin_unlock_irqrestore(&video->qlock, flags);
}
if (ret < 0) {
mutex_unlock(&video->stream_lock);
return 0;
err_omap4iss_set_stream:
vb2_streamoff(&vfh->queue, type);
err_iss_video_check_format:
......@@ -835,7 +837,6 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
if (video->iss->pdata->set_constraints)
video->iss->pdata->set_constraints(video->iss, false);
video->queue = NULL;
}
mutex_unlock(&video->stream_lock);
return ret;
......
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