modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/media/dvb-core/dvb_vb2.c
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@@ -146,8 +146,7 @@
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 	dprintk(3, "[%s]\n", ctx->name);
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 }
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-static int _fill_vb2_buffer(struct vb2_buffer *vb,
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-			    const void *pb, struct vb2_plane *planes)
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+static int _fill_vb2_buffer(struct vb2_buffer *vb, struct vb2_plane *planes)
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 {
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 	struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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@@ -194,7 +193,7 @@
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 	spin_lock_init(&ctx->slock);
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 	INIT_LIST_HEAD(&ctx->dvb_q);
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-	strlcpy(ctx->name, name, DVB_VB2_NAME_MAX);
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+	strscpy(ctx->name, name, DVB_VB2_NAME_MAX);
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 	ctx->nonblocking = nonblocking;
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 	ctx->state = DVB_VB2_STATE_INIT;
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@@ -359,6 +358,12 @@
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 int dvb_vb2_querybuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
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 {
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+	struct vb2_queue *q = &ctx->vb_q;
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+
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+	if (b->index >= q->num_buffers) {
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+		dprintk(1, "[%s] buffer index out of range\n", ctx->name);
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+		return -EINVAL;
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+	}
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 	vb2_core_querybuf(&ctx->vb_q, b->index, b);
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 	dprintk(3, "[%s] index=%d\n", ctx->name, b->index);
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 	return 0;
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@@ -383,9 +388,14 @@
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 int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
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 {
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+	struct vb2_queue *q = &ctx->vb_q;
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 	int ret;
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-	ret = vb2_core_qbuf(&ctx->vb_q, b->index, b);
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+	if (b->index >= q->num_buffers) {
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+		dprintk(1, "[%s] buffer index out of range\n", ctx->name);
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+		return -EINVAL;
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+	}
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+	ret = vb2_core_qbuf(&ctx->vb_q, b->index, b, NULL);
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 	if (ret) {
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 		dprintk(1, "[%s] index=%d errno=%d\n", ctx->name,
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 			b->index, ret);