diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index cfde4ccf6011..99020b9f9ff8 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -435,9 +435,17 @@ static int cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run) * instead of start of slice data. Padding is 8 bits at most (one bit set to 1 and * at most seven bits set to 0), so we have to inspect only one byte before slice data. */ + + if (slice_params->data_byte_offset == 0) + return -EOPNOTSUPP; + padding = (u8 *)vb2_plane_vaddr(&run->src->vb2_buf, 0) + slice_params->data_byte_offset - 1; + /* at least one bit must be set in that byte */ + if (*padding == 0) + return -EINVAL; + for (count = 0; count < 8; count++) if (*padding & (1 << count)) break; |