[media] coda: move meta out of padding
Handle an empty buffer metadata list without crashing. This can happen if the decoder is fed a broken stream, or multiple compressed frames in a single queued buffer. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -1565,6 +1565,7 @@ static int coda_prepare_decode(struct coda_ctx *ctx)
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struct vb2_buffer *dst_buf;
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struct vb2_buffer *dst_buf;
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struct coda_dev *dev = ctx->dev;
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struct coda_dev *dev = ctx->dev;
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struct coda_q_data *q_data_dst;
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struct coda_q_data *q_data_dst;
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struct coda_buffer_meta *meta;
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u32 reg_addr, reg_stride;
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u32 reg_addr, reg_stride;
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dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
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dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
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@ -1643,12 +1644,12 @@ static int coda_prepare_decode(struct coda_ctx *ctx)
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coda_write(dev, ctx->iram_info.axi_sram_use,
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coda_write(dev, ctx->iram_info.axi_sram_use,
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CODA7_REG_BIT_AXI_SRAM_USE);
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CODA7_REG_BIT_AXI_SRAM_USE);
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if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG) {
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meta = list_first_entry_or_null(&ctx->buffer_meta_list,
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struct coda_buffer_meta *meta;
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struct coda_buffer_meta, list);
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if (meta && ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG) {
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/* If this is the last buffer in the bitstream, add padding */
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/* If this is the last buffer in the bitstream, add padding */
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meta = list_first_entry(&ctx->buffer_meta_list,
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struct coda_buffer_meta, list);
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if (meta->end == (ctx->bitstream_fifo.kfifo.in &
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if (meta->end == (ctx->bitstream_fifo.kfifo.in &
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ctx->bitstream_fifo.kfifo.mask)) {
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ctx->bitstream_fifo.kfifo.mask)) {
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static unsigned char buf[512];
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static unsigned char buf[512];
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