V4L/DVB (6759): CodingStyle fixes

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/videobuf-core.c

@@ -22,29 +22,32 @@
 #include <media/videobuf-core.h>
 
 #define MAGIC_BUFFER 0x20070728
-#define MAGIC_CHECK(is,should)	if (unlikely((is) != (should))) \
-	{ printk(KERN_ERR "magic mismatch: %x (expected %x)\n",is,should); BUG(); }
+#define MAGIC_CHECK(is, should) do {					   \
+	if (unlikely((is) != (should))) {				   \
+	printk(KERN_ERR "magic mismatch: %x (expected %x)\n", is, should); \
+	BUG(); } } while (0)
 
-static int debug = 0;
+static int debug;
 module_param(debug, int, 0644);
 
 MODULE_DESCRIPTION("helper module to manage video4linux buffers");
 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
 MODULE_LICENSE("GPL");
 
-#define dprintk(level, fmt, arg...)	if (debug >= level) \
-	printk(KERN_DEBUG "vbuf: " fmt , ## arg)
+#define dprintk(level, fmt, arg...) do {			\
+	if (debug >= level) 					\
+	printk(KERN_DEBUG "vbuf: " fmt , ## arg); } while (0)
 
 /* --------------------------------------------------------------------- */
 
 #define CALL(q, f, arg...)						\
-	( (q->int_ops->f)? q->int_ops->f(arg) : 0)
+	((q->int_ops->f) ? q->int_ops->f(arg) : 0)
 
-void* videobuf_alloc(struct videobuf_queue* q)
+void *videobuf_alloc(struct videobuf_queue *q)
 {
 	struct videobuf_buffer *vb;
 
-	BUG_ON (q->msize<sizeof(*vb));
+	BUG_ON(q->msize < sizeof(*vb));
 
 	if (!q->int_ops || !q->int_ops->alloc) {
 		printk(KERN_ERR "No specific ops defined!\n");
@@ -66,7 +69,7 @@ int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr)
 	int retval = 0;
 	DECLARE_WAITQUEUE(wait, current);
 
-	MAGIC_CHECK(vb->magic,MAGIC_BUFFER);
+	MAGIC_CHECK(vb->magic, MAGIC_BUFFER);
 	add_wait_queue(&vb->done, &wait);
 	while (vb->state == VIDEOBUF_ACTIVE || vb->state == VIDEOBUF_QUEUED) {
 		if (non_blocking) {
@@ -75,11 +78,12 @@ int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr)
 		}
 		set_current_state(intr  ? TASK_INTERRUPTIBLE
 					: TASK_UNINTERRUPTIBLE);
-		if (vb->state == VIDEOBUF_ACTIVE || vb->state == VIDEOBUF_QUEUED)
+		if (vb->state == VIDEOBUF_ACTIVE ||
+		    vb->state == VIDEOBUF_QUEUED)
 			schedule();
 		set_current_state(TASK_RUNNING);
 		if (intr && signal_pending(current)) {
-			dprintk(1,"buffer waiton: -EINTR\n");
+			dprintk(1, "buffer waiton: -EINTR\n");
 			retval = -EINTR;
 			break;
 		}
@@ -88,27 +92,27 @@ int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr)
 	return retval;
 }
 
-int videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb,
+int videobuf_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
 		    struct v4l2_framebuffer *fbuf)
 {
-	MAGIC_CHECK(vb->magic,MAGIC_BUFFER);
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(vb->magic, MAGIC_BUFFER);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
-	/* FIXME: This is required to avoid OOPS on some cases, since mmap_mapper()
-	   method should be called before _iolock.
+	/* FIXME: This is required to avoid OOPS on some cases,
+	   since mmap_mapper() method should be called before _iolock.
 	   On some cases, the mmap_mapper() is called only after scheduling.
 
 	   However, this way is just too dirty! Better to wait for some event.
 	 */
 	schedule_timeout(HZ);
 
-	return CALL(q,iolock,q,vb,fbuf);
+	return CALL(q, iolock, q, vb, fbuf);
 }
 
 /* --------------------------------------------------------------------- */
 
 
-void videobuf_queue_core_init(struct videobuf_queue* q,
+void videobuf_queue_core_init(struct videobuf_queue *q,
 			 struct videobuf_queue_ops *ops,
 			 void *dev,
 			 spinlock_t *irqlock,
@@ -118,7 +122,7 @@ void videobuf_queue_core_init(struct videobuf_queue* q,
 			 void *priv,
 			 struct videobuf_qtype_ops *int_ops)
 {
-	memset(q,0,sizeof(*q));
+	memset(q, 0, sizeof(*q));
 	q->irqlock   = irqlock;
 	q->dev       = dev;
 	q->type      = type;
@@ -129,13 +133,13 @@ void videobuf_queue_core_init(struct videobuf_queue* q,
 	q->int_ops   = int_ops;
 
 	/* All buffer operations are mandatory */
-	BUG_ON (!q->ops->buf_setup);
-	BUG_ON (!q->ops->buf_prepare);
-	BUG_ON (!q->ops->buf_queue);
-	BUG_ON (!q->ops->buf_release);
+	BUG_ON(!q->ops->buf_setup);
+	BUG_ON(!q->ops->buf_prepare);
+	BUG_ON(!q->ops->buf_queue);
+	BUG_ON(!q->ops->buf_release);
 
 	/* Having implementations for abstract methods are mandatory */
-	BUG_ON (!q->int_ops);
+	BUG_ON(!q->int_ops);
 
 	mutex_init(&q->lock);
 	INIT_LIST_HEAD(&q->stream);
@@ -146,33 +150,33 @@ int videobuf_queue_is_busy(struct videobuf_queue *q)
 {
 	int i;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	if (q->streaming) {
-		dprintk(1,"busy: streaming active\n");
+		dprintk(1, "busy: streaming active\n");
 		return 1;
 	}
 	if (q->reading) {
-		dprintk(1,"busy: pending read #1\n");
+		dprintk(1, "busy: pending read #1\n");
 		return 1;
 	}
 	if (q->read_buf) {
-		dprintk(1,"busy: pending read #2\n");
+		dprintk(1, "busy: pending read #2\n");
 		return 1;
 	}
 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 		if (NULL == q->bufs[i])
 			continue;
 		if (q->bufs[i]->map) {
-			dprintk(1,"busy: buffer #%d mapped\n",i);
+			dprintk(1, "busy: buffer #%d mapped\n", i);
 			return 1;
 		}
 		if (q->bufs[i]->state == VIDEOBUF_QUEUED) {
-			dprintk(1,"busy: buffer #%d queued\n",i);
+			dprintk(1, "busy: buffer #%d queued\n", i);
 			return 1;
 		}
 		if (q->bufs[i]->state == VIDEOBUF_ACTIVE) {
-			dprintk(1,"busy: buffer #%d avtive\n",i);
+			dprintk(1, "busy: buffer #%d avtive\n", i);
 			return 1;
 		}
 	}
@@ -182,12 +186,12 @@ int videobuf_queue_is_busy(struct videobuf_queue *q)
 /* Locking: Caller holds q->lock */
 void videobuf_queue_cancel(struct videobuf_queue *q)
 {
-	unsigned long flags=0;
+	unsigned long flags = 0;
 	int i;
 
 	/* remove queued buffers from list */
 	if (q->irqlock)
-		spin_lock_irqsave(q->irqlock,flags);
+		spin_lock_irqsave(q->irqlock, flags);
 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 		if (NULL == q->bufs[i])
 			continue;
@@ -197,13 +201,13 @@ void videobuf_queue_cancel(struct videobuf_queue *q)
 		}
 	}
 	if (q->irqlock)
-		spin_unlock_irqrestore(q->irqlock,flags);
+		spin_unlock_irqrestore(q->irqlock, flags);
 
 	/* free all buffers + clear queue */
 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 		if (NULL == q->bufs[i])
 			continue;
-		q->ops->buf_release(q,q->bufs[i]);
+		q->ops->buf_release(q, q->bufs[i]);
 	}
 	INIT_LIST_HEAD(&q->stream);
 }
@@ -233,8 +237,8 @@ enum v4l2_field videobuf_next_field(struct videobuf_queue *q)
 static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b,
 			    struct videobuf_buffer *vb, enum v4l2_buf_type type)
 {
-	MAGIC_CHECK(vb->magic,MAGIC_BUFFER);
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(vb->magic, MAGIC_BUFFER);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	b->index    = vb->i;
 	b->type     = type;
@@ -294,16 +298,16 @@ static int __videobuf_mmap_free(struct videobuf_queue *q)
 	if (!q)
 		return 0;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
-	rc  = CALL(q,mmap_free,q);
-	if (rc<0)
+	rc  = CALL(q, mmap_free, q);
+	if (rc < 0)
 		return rc;
 
 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 		if (NULL == q->bufs[i])
 			continue;
-		q->ops->buf_release(q,q->bufs[i]);
+		q->ops->buf_release(q, q->bufs[i]);
 		kfree(q->bufs[i]);
 		q->bufs[i] = NULL;
 	}
@@ -328,7 +332,7 @@ static int __videobuf_mmap_setup(struct videobuf_queue *q,
 	unsigned int i;
 	int err;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	err = __videobuf_mmap_free(q);
 	if (0 != err)
@@ -359,7 +363,7 @@ static int __videobuf_mmap_setup(struct videobuf_queue *q,
 	if (!i)
 		return -ENOMEM;
 
-	dprintk(1,"mmap setup: %d buffers, %d bytes each\n",
+	dprintk(1, "mmap setup: %d buffers, %d bytes each\n",
 		i, bsize);
 
 	return i;
@@ -379,35 +383,35 @@ int videobuf_mmap_setup(struct videobuf_queue *q,
 int videobuf_reqbufs(struct videobuf_queue *q,
 		 struct v4l2_requestbuffers *req)
 {
-	unsigned int size,count;
+	unsigned int size, count;
 	int retval;
 
 	if (req->count < 1) {
-		dprintk(1,"reqbufs: count invalid (%d)\n",req->count);
+		dprintk(1, "reqbufs: count invalid (%d)\n", req->count);
 		return -EINVAL;
 	}
 
 	if (req->memory != V4L2_MEMORY_MMAP     &&
 	    req->memory != V4L2_MEMORY_USERPTR  &&
 	    req->memory != V4L2_MEMORY_OVERLAY) {
-		dprintk(1,"reqbufs: memory type invalid\n");
+		dprintk(1, "reqbufs: memory type invalid\n");
 		return -EINVAL;
 	}
 
 	mutex_lock(&q->lock);
 	if (req->type != q->type) {
-		dprintk(1,"reqbufs: queue type invalid\n");
+		dprintk(1, "reqbufs: queue type invalid\n");
 		retval = -EINVAL;
 		goto done;
 	}
 
 	if (q->streaming) {
-		dprintk(1,"reqbufs: streaming already exists\n");
+		dprintk(1, "reqbufs: streaming already exists\n");
 		retval = -EBUSY;
 		goto done;
 	}
 	if (!list_empty(&q->stream)) {
-		dprintk(1,"reqbufs: stream running\n");
+		dprintk(1, "reqbufs: stream running\n");
 		retval = -EBUSY;
 		goto done;
 	}
@@ -416,14 +420,14 @@ int videobuf_reqbufs(struct videobuf_queue *q,
 	if (count > VIDEO_MAX_FRAME)
 		count = VIDEO_MAX_FRAME;
 	size = 0;
-	q->ops->buf_setup(q,&count,&size);
+	q->ops->buf_setup(q, &count, &size);
 	size = PAGE_ALIGN(size);
-	dprintk(1,"reqbufs: bufs=%d, size=0x%x [%d pages total]\n",
+	dprintk(1, "reqbufs: bufs=%d, size=0x%x [%d pages total]\n",
 		count, size, (count*size)>>PAGE_SHIFT);
 
-	retval = __videobuf_mmap_setup(q,count,size,req->memory);
+	retval = __videobuf_mmap_setup(q, count, size, req->memory);
 	if (retval < 0) {
-		dprintk(1,"reqbufs: mmap setup returned %d\n",retval);
+		dprintk(1, "reqbufs: mmap setup returned %d\n", retval);
 		goto done;
 	}
 
@@ -440,19 +444,19 @@ int videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b)
 
 	mutex_lock(&q->lock);
 	if (unlikely(b->type != q->type)) {
-		dprintk(1,"querybuf: Wrong type.\n");
+		dprintk(1, "querybuf: Wrong type.\n");
 		goto done;
 	}
 	if (unlikely(b->index < 0 || b->index >= VIDEO_MAX_FRAME)) {
-		dprintk(1,"querybuf: index out of range.\n");
+		dprintk(1, "querybuf: index out of range.\n");
 		goto done;
 	}
 	if (unlikely(NULL == q->bufs[b->index])) {
-		dprintk(1,"querybuf: buffer is null.\n");
+		dprintk(1, "querybuf: buffer is null.\n");
 		goto done;
 	}
 
-	videobuf_status(q,b,q->bufs[b->index],q->type);
+	videobuf_status(q, b, q->bufs[b->index], q->type);
 
 	ret = 0;
 done:
@@ -465,10 +469,10 @@ int videobuf_qbuf(struct videobuf_queue *q,
 {
 	struct videobuf_buffer *buf;
 	enum v4l2_field field;
-	unsigned long flags=0;
+	unsigned long flags = 0;
 	int retval;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	if (b->memory == V4L2_MEMORY_MMAP)
 		down_read(&current->mm->mmap_sem);
@@ -476,36 +480,36 @@ int videobuf_qbuf(struct videobuf_queue *q,
 	mutex_lock(&q->lock);
 	retval = -EBUSY;
 	if (q->reading) {
-		dprintk(1,"qbuf: Reading running...\n");
+		dprintk(1, "qbuf: Reading running...\n");
 		goto done;
 	}
 	retval = -EINVAL;
 	if (b->type != q->type) {
-		dprintk(1,"qbuf: Wrong type.\n");
+		dprintk(1, "qbuf: Wrong type.\n");
 		goto done;
 	}
 	if (b->index < 0 || b->index >= VIDEO_MAX_FRAME) {
-		dprintk(1,"qbuf: index out of range.\n");
+		dprintk(1, "qbuf: index out of range.\n");
 		goto done;
 	}
 	buf = q->bufs[b->index];
 	if (NULL == buf) {
-		dprintk(1,"qbuf: buffer is null.\n");
+		dprintk(1, "qbuf: buffer is null.\n");
 		goto done;
 	}
-	MAGIC_CHECK(buf->magic,MAGIC_BUFFER);
+	MAGIC_CHECK(buf->magic, MAGIC_BUFFER);
 	if (buf->memory != b->memory) {
-		dprintk(1,"qbuf: memory type is wrong.\n");
+		dprintk(1, "qbuf: memory type is wrong.\n");
 		goto done;
 	}
 	if (buf->state != VIDEOBUF_NEEDS_INIT && buf->state != VIDEOBUF_IDLE) {
-		dprintk(1,"qbuf: buffer is already queued or active.\n");
+		dprintk(1, "qbuf: buffer is already queued or active.\n");
 		goto done;
 	}
 
 	if (b->flags & V4L2_BUF_FLAG_INPUT) {
 		if (b->input >= q->inputs) {
-			dprintk(1,"qbuf: wrong input.\n");
+			dprintk(1, "qbuf: wrong input.\n");
 			goto done;
 		}
 		buf->input = b->input;
@@ -516,44 +520,46 @@ int videobuf_qbuf(struct videobuf_queue *q,
 	switch (b->memory) {
 	case V4L2_MEMORY_MMAP:
 		if (0 == buf->baddr) {
-			dprintk(1,"qbuf: mmap requested but buffer addr is zero!\n");
+			dprintk(1, "qbuf: mmap requested "
+				   "but buffer addr is zero!\n");
 			goto done;
 		}
 		break;
 	case V4L2_MEMORY_USERPTR:
 		if (b->length < buf->bsize) {
-			dprintk(1,"qbuf: buffer length is not enough\n");
+			dprintk(1, "qbuf: buffer length is not enough\n");
 			goto done;
 		}
-		if (VIDEOBUF_NEEDS_INIT != buf->state && buf->baddr != b->m.userptr)
-			q->ops->buf_release(q,buf);
+		if (VIDEOBUF_NEEDS_INIT != buf->state &&
+		    buf->baddr != b->m.userptr)
+			q->ops->buf_release(q, buf);
 		buf->baddr = b->m.userptr;
 		break;
 	case V4L2_MEMORY_OVERLAY:
 		buf->boff = b->m.offset;
 		break;
 	default:
-		dprintk(1,"qbuf: wrong memory type\n");
+		dprintk(1, "qbuf: wrong memory type\n");
 		goto done;
 	}
 
-	dprintk(1,"qbuf: requesting next field\n");
+	dprintk(1, "qbuf: requesting next field\n");
 	field = videobuf_next_field(q);
-	retval = q->ops->buf_prepare(q,buf,field);
+	retval = q->ops->buf_prepare(q, buf, field);
 	if (0 != retval) {
-		dprintk(1,"qbuf: buffer_prepare returned %d\n",retval);
+		dprintk(1, "qbuf: buffer_prepare returned %d\n", retval);
 		goto done;
 	}
 
-	list_add_tail(&buf->stream,&q->stream);
+	list_add_tail(&buf->stream, &q->stream);
 	if (q->streaming) {
 		if (q->irqlock)
-			spin_lock_irqsave(q->irqlock,flags);
-		q->ops->buf_queue(q,buf);
+			spin_lock_irqsave(q->irqlock, flags);
+		q->ops->buf_queue(q, buf);
 		if (q->irqlock)
-			spin_unlock_irqrestore(q->irqlock,flags);
+			spin_unlock_irqrestore(q->irqlock, flags);
 	}
-	dprintk(1,"qbuf: succeded\n");
+	dprintk(1, "qbuf: succeded\n");
 	retval = 0;
 
  done:
@@ -571,49 +577,49 @@ int videobuf_dqbuf(struct videobuf_queue *q,
 	struct videobuf_buffer *buf;
 	int retval;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	mutex_lock(&q->lock);
 	retval = -EBUSY;
 	if (q->reading) {
-		dprintk(1,"dqbuf: Reading running...\n");
+		dprintk(1, "dqbuf: Reading running...\n");
 		goto done;
 	}
 	retval = -EINVAL;
 	if (b->type != q->type) {
-		dprintk(1,"dqbuf: Wrong type.\n");
+		dprintk(1, "dqbuf: Wrong type.\n");
 		goto done;
 	}
 	if (list_empty(&q->stream)) {
-		dprintk(1,"dqbuf: stream running\n");
+		dprintk(1, "dqbuf: stream running\n");
 		goto done;
 	}
 	buf = list_entry(q->stream.next, struct videobuf_buffer, stream);
 	retval = videobuf_waiton(buf, nonblocking, 1);
 	if (retval < 0) {
-		dprintk(1,"dqbuf: waiton returned %d\n",retval);
+		dprintk(1, "dqbuf: waiton returned %d\n", retval);
 		goto done;
 	}
 	switch (buf->state) {
 	case VIDEOBUF_ERROR:
-		dprintk(1,"dqbuf: state is error\n");
+		dprintk(1, "dqbuf: state is error\n");
 		retval = -EIO;
-		CALL(q,sync,q, buf);
+		CALL(q, sync, q, buf);
 		buf->state = VIDEOBUF_IDLE;
 		break;
 	case VIDEOBUF_DONE:
-		dprintk(1,"dqbuf: state is done\n");
-		CALL(q,sync,q, buf);
+		dprintk(1, "dqbuf: state is done\n");
+		CALL(q, sync, q, buf);
 		buf->state = VIDEOBUF_IDLE;
 		break;
 	default:
-		dprintk(1,"dqbuf: state invalid\n");
+		dprintk(1, "dqbuf: state invalid\n");
 		retval = -EINVAL;
 		goto done;
 	}
 	list_del(&buf->stream);
-	memset(b,0,sizeof(*b));
-	videobuf_status(q,b,buf,q->type);
+	memset(b, 0, sizeof(*b));
+	videobuf_status(q, b, buf, q->type);
 
  done:
 	mutex_unlock(&q->lock);
@@ -623,7 +629,7 @@ int videobuf_dqbuf(struct videobuf_queue *q,
 int videobuf_streamon(struct videobuf_queue *q)
 {
 	struct videobuf_buffer *buf;
-	unsigned long flags=0;
+	unsigned long flags = 0;
 	int retval;
 
 	mutex_lock(&q->lock);
@@ -635,12 +641,12 @@ int videobuf_streamon(struct videobuf_queue *q)
 		goto done;
 	q->streaming = 1;
 	if (q->irqlock)
-		spin_lock_irqsave(q->irqlock,flags);
+		spin_lock_irqsave(q->irqlock, flags);
 	list_for_each_entry(buf, &q->stream, stream)
 		if (buf->state == VIDEOBUF_PREPARED)
-			q->ops->buf_queue(q,buf);
+			q->ops->buf_queue(q, buf);
 	if (q->irqlock)
-		spin_unlock_irqrestore(q->irqlock,flags);
+		spin_unlock_irqrestore(q->irqlock, flags);
 
  done:
 	mutex_unlock(&q->lock);
@@ -676,10 +682,10 @@ static ssize_t videobuf_read_zerocopy(struct videobuf_queue *q,
 				      size_t count, loff_t *ppos)
 {
 	enum v4l2_field field;
-	unsigned long flags=0;
+	unsigned long flags = 0;
 	int retval;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	/* setup stuff */
 	q->read_buf = videobuf_alloc(q);
@@ -691,19 +697,19 @@ static ssize_t videobuf_read_zerocopy(struct videobuf_queue *q,
 	q->read_buf->bsize  = count;
 
 	field = videobuf_next_field(q);
-	retval = q->ops->buf_prepare(q,q->read_buf,field);
+	retval = q->ops->buf_prepare(q, q->read_buf, field);
 	if (0 != retval)
 		goto done;
 
 	/* start capture & wait */
 	if (q->irqlock)
-		spin_lock_irqsave(q->irqlock,flags);
-	q->ops->buf_queue(q,q->read_buf);
+		spin_lock_irqsave(q->irqlock, flags);
+	q->ops->buf_queue(q, q->read_buf);
 	if (q->irqlock)
-		spin_unlock_irqrestore(q->irqlock,flags);
-	retval = videobuf_waiton(q->read_buf,0,0);
+		spin_unlock_irqrestore(q->irqlock, flags);
+	retval = videobuf_waiton(q->read_buf, 0, 0);
 	if (0 == retval) {
-		CALL(q,sync,q,q->read_buf);
+		CALL(q, sync, q, q->read_buf);
 		if (VIDEOBUF_ERROR == q->read_buf->state)
 			retval = -EIO;
 		else
@@ -712,7 +718,7 @@ static ssize_t videobuf_read_zerocopy(struct videobuf_queue *q,
 
  done:
 	/* cleanup */
-	q->ops->buf_release(q,q->read_buf);
+	q->ops->buf_release(q, q->read_buf);
 	kfree(q->read_buf);
 	q->read_buf = NULL;
 	return retval;
@@ -723,21 +729,21 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
 			  int nonblocking)
 {
 	enum v4l2_field field;
-	unsigned long flags=0;
+	unsigned long flags = 0;
 	unsigned size, nbufs;
 	int retval;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	mutex_lock(&q->lock);
 
 	nbufs = 1; size = 0;
-	q->ops->buf_setup(q,&nbufs,&size);
+	q->ops->buf_setup(q, &nbufs, &size);
 
 	if (NULL == q->read_buf  &&
 	    count >= size        &&
 	    !nonblocking) {
-		retval = videobuf_read_zerocopy(q,data,count,ppos);
+		retval = videobuf_read_zerocopy(q, data, count, ppos);
 		if (retval >= 0  ||  retval == -EIO)
 			/* ok, all done */
 			goto done;
@@ -749,25 +755,25 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
 		retval = -ENOMEM;
 		q->read_buf = videobuf_alloc(q);
 
-		dprintk(1,"video alloc=0x%p\n", q->read_buf);
+		dprintk(1, "video alloc=0x%p\n", q->read_buf);
 		if (NULL == q->read_buf)
 			goto done;
 		q->read_buf->memory = V4L2_MEMORY_USERPTR;
 		q->read_buf->bsize = count; /* preferred size */
 		field = videobuf_next_field(q);
-		retval = q->ops->buf_prepare(q,q->read_buf,field);
+		retval = q->ops->buf_prepare(q, q->read_buf, field);
 
 		if (0 != retval) {
-			kfree (q->read_buf);
+			kfree(q->read_buf);
 			q->read_buf = NULL;
 			goto done;
 		}
 		if (q->irqlock)
-			spin_lock_irqsave(q->irqlock,flags);
+			spin_lock_irqsave(q->irqlock, flags);
 
-		q->ops->buf_queue(q,q->read_buf);
+		q->ops->buf_queue(q, q->read_buf);
 		if (q->irqlock)
-			spin_unlock_irqrestore(q->irqlock,flags);
+			spin_unlock_irqrestore(q->irqlock, flags);
 		q->read_off = 0;
 	}
 
@@ -776,11 +782,11 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
 	if (0 != retval)
 		goto done;
 
-	CALL(q,sync,q,q->read_buf);
+	CALL(q, sync, q, q->read_buf);
 
 	if (VIDEOBUF_ERROR == q->read_buf->state) {
 		/* catch I/O errors */
-		q->ops->buf_release(q,q->read_buf);
+		q->ops->buf_release(q, q->read_buf);
 		kfree(q->read_buf);
 		q->read_buf = NULL;
 		retval = -EIO;
@@ -788,14 +794,14 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
 	}
 
 	/* Copy to userspace */
-	retval=CALL(q,video_copy_to_user,q,data,count,nonblocking);
-	if (retval<0)
+	retval = CALL(q, video_copy_to_user, q, data, count, nonblocking);
+	if (retval < 0)
 		goto done;
 
 	q->read_off += retval;
 	if (q->read_off == q->read_buf->size) {
 		/* all data copied, cleanup */
-		q->ops->buf_release(q,q->read_buf);
+		q->ops->buf_release(q, q->read_buf);
 		kfree(q->read_buf);
 		q->read_buf = NULL;
 	}
@@ -809,11 +815,11 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
 int __videobuf_read_start(struct videobuf_queue *q)
 {
 	enum v4l2_field field;
-	unsigned long flags=0;
+	unsigned long flags = 0;
 	unsigned int count = 0, size = 0;
 	int err, i;
 
-	q->ops->buf_setup(q,&count,&size);
+	q->ops->buf_setup(q, &count, &size);
 	if (count < 2)
 		count = 2;
 	if (count > VIDEO_MAX_FRAME)
@@ -828,17 +834,17 @@ int __videobuf_read_start(struct videobuf_queue *q)
 
 	for (i = 0; i < count; i++) {
 		field = videobuf_next_field(q);
-		err = q->ops->buf_prepare(q,q->bufs[i],field);
+		err = q->ops->buf_prepare(q, q->bufs[i], field);
 		if (err)
 			return err;
 		list_add_tail(&q->bufs[i]->stream, &q->stream);
 	}
 	if (q->irqlock)
-		spin_lock_irqsave(q->irqlock,flags);
+		spin_lock_irqsave(q->irqlock, flags);
 	for (i = 0; i < count; i++)
-		q->ops->buf_queue(q,q->bufs[i]);
+		q->ops->buf_queue(q, q->bufs[i]);
 	if (q->irqlock)
-		spin_unlock_irqrestore(q->irqlock,flags);
+		spin_unlock_irqrestore(q->irqlock, flags);
 	q->reading = 1;
 	return 0;
 }
@@ -859,7 +865,7 @@ static void __videobuf_read_stop(struct videobuf_queue *q)
 	}
 	q->read_buf = NULL;
 	q->reading  = 0;
-	
+
 }
 
 int videobuf_read_start(struct videobuf_queue *q)
@@ -899,11 +905,11 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
 			     int vbihack, int nonblocking)
 {
 	int rc, retval;
-	unsigned long flags=0;
+	unsigned long flags = 0;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
-	dprintk(2,"%s\n",__FUNCTION__);
+	dprintk(2, "%s\n", __FUNCTION__);
 	mutex_lock(&q->lock);
 	retval = -EBUSY;
 	if (q->streaming)
@@ -932,7 +938,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
 		}
 
 		if (q->read_buf->state == VIDEOBUF_DONE) {
-			rc = CALL (q,copy_stream, q, data + retval, count,
+			rc = CALL(q, copy_stream, q, data + retval, count,
 					retval, vbihack, nonblocking);
 			if (rc < 0) {
 				retval = rc;
@@ -953,10 +959,10 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
 			list_add_tail(&q->read_buf->stream,
 				      &q->stream);
 			if (q->irqlock)
-				spin_lock_irqsave(q->irqlock,flags);
-			q->ops->buf_queue(q,q->read_buf);
+				spin_lock_irqsave(q->irqlock, flags);
+			q->ops->buf_queue(q, q->read_buf);
 			if (q->irqlock)
-				spin_unlock_irqrestore(q->irqlock,flags);
+				spin_unlock_irqrestore(q->irqlock, flags);
 			q->read_buf = NULL;
 		}
 		if (retval < 0)
@@ -1012,10 +1018,10 @@ int videobuf_mmap_mapper(struct videobuf_queue *q,
 {
 	int retval;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
 	mutex_lock(&q->lock);
-	retval=CALL(q,mmap_mapper,q,vma);
+	retval = CALL(q, mmap_mapper, q, vma);
 	mutex_unlock(&q->lock);
 
 	return retval;
@@ -1026,15 +1032,15 @@ int videobuf_cgmbuf(struct videobuf_queue *q,
 		    struct video_mbuf *mbuf, int count)
 {
 	struct v4l2_requestbuffers req;
-	int rc,i;
+	int rc, i;
 
-	MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
+	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
-	memset(&req,0,sizeof(req));
+	memset(&req, 0, sizeof(req));
 	req.type   = q->type;
 	req.count  = count;
 	req.memory = V4L2_MEMORY_MMAP;
-	rc = videobuf_reqbufs(q,&req);
+	rc = videobuf_reqbufs(q, &req);
 	if (rc < 0)
 		return rc;
 
@@ -1079,9 +1085,3 @@ EXPORT_SYMBOL_GPL(videobuf_poll_stream);
 EXPORT_SYMBOL_GPL(videobuf_mmap_setup);
 EXPORT_SYMBOL_GPL(videobuf_mmap_free);
 EXPORT_SYMBOL_GPL(videobuf_mmap_mapper);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */