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From: Philipp Zabel
To: linux-media@vger.kernel.org
Cc: Mauro Carvalho Chehab , kernel@pengutronix.de
Subject: [PATCH 2/3] media: coda: jpeg: improve header parse error message
Date: Wed, 6 Apr 2022 10:53:52 +0200
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If JPEG header parsing fails, output a single message instead of two
messages that say the same thing.
Signed-off-by: Philipp Zabel
---
drivers/media/platform/chips-media/coda-common.c | 6 +-----
drivers/media/platform/chips-media/coda-jpeg.c | 6 ++----
2 files changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/media/platform/chips-media/coda-common.c b/drivers/media/platform/chips-media/coda-common.c
index a57822b05070..9000377e592f 100644
--- a/drivers/media/platform/chips-media/coda-common.c
+++ b/drivers/media/platform/chips-media/coda-common.c
@@ -2012,12 +2012,8 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) {
buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
ret = coda_jpeg_decode_header(ctx, &buf->vb2_buf);
- if (ret < 0) {
- v4l2_err(v4l2_dev,
- "failed to decode JPEG header: %d\n",
- ret);
+ if (ret < 0)
goto err;
- }
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
q_data_dst->width = round_up(q_data_src->width, 16);
diff --git a/drivers/media/platform/chips-media/coda-jpeg.c b/drivers/media/platform/chips-media/coda-jpeg.c
index 9e3e05434b96..155373ad73a4 100644
--- a/drivers/media/platform/chips-media/coda-jpeg.c
+++ b/drivers/media/platform/chips-media/coda-jpeg.c
@@ -283,7 +283,8 @@ int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb)
ret = v4l2_jpeg_parse_header(buf, len, &header);
if (ret < 0) {
- v4l2_err(&dev->v4l2_dev, "failed to parse header\n");
+ v4l2_err(&dev->v4l2_dev, "failed to parse JPEG header: %pe\n",
+ ERR_PTR(ret));
return ret;
}
@@ -1347,9 +1348,6 @@ static int coda9_jpeg_prepare_decode(struct coda_ctx *ctx)
ret = coda_jpeg_decode_header(ctx, &src_buf->vb2_buf);
if (ret < 0) {
- v4l2_err(&dev->v4l2_dev, "failed to decode JPEG header: %d\n",
- ret);
-
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);