media: coda: jpeg: improve header parse error message
authorPhilipp Zabel <p.zabel@pengutronix.de>
Wed, 6 Apr 2022 08:53:52 +0000 (09:53 +0100)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Sun, 24 Apr 2022 07:47:17 +0000 (08:47 +0100)
If JPEG header parsing fails, output a single message instead of two
messages that say the same thing.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/media/platform/chips-media/coda-common.c
drivers/media/platform/chips-media/coda-jpeg.c

index 93ac519..3eaf0e7 100644 (file)
@@ -2000,12 +2000,8 @@ 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);
index dcb0bd6..a0b22b0 100644 (file)
@@ -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;
        }
 
@@ -1349,9 +1350,6 @@ 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);