From b9736299c427d5b3df7324e4469f9ce46793f943 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 11 Jul 2014 06:36:18 -0300
Subject: [PATCH] [media] coda: remove BUG() in get_q_data
This allows us to get rid of the now superfluous v4l2_m2m_get_vq check
in G_FMT. Also, we can use this to check the buffer type in G_SELECTION
later.
Signed-off-by: Philipp Zabel
Signed-off-by: Kamil Debski
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/platform/coda.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 667149485d99..f1b16dff89d8 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -326,9 +326,8 @@ static struct coda_q_data *get_q_data(struct coda_ctx *ctx,
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
return &(ctx->q_data[V4L2_M2M_DST]);
default:
- BUG();
+ return NULL;
}
- return NULL;
}
/*
@@ -571,15 +570,12 @@ static int coda_enum_fmt_vid_out(struct file *file, void *priv,
static int coda_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct vb2_queue *vq;
struct coda_q_data *q_data;
struct coda_ctx *ctx = fh_to_ctx(priv);
- vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
- if (!vq)
- return -EINVAL;
-
q_data = get_q_data(ctx, f->type);
+ if (!q_data)
+ return -EINVAL;
f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.pixelformat = q_data->fourcc;
@@ -628,6 +624,8 @@ static int coda_try_fmt(struct coda_ctx *ctx, struct coda_codec *codec,
break;
default:
q_data = get_q_data(ctx, f->type);
+ if (!q_data)
+ return -EINVAL;
f->fmt.pix.pixelformat = q_data->fourcc;
}