1 files changed, 19 insertions, 17 deletions

diff --git a/linux/drivers/media/video/gspca/gspca.c b/linux/drivers/media/video/gspca/gspca.c
index 1a6c61f71..cac937040 100644
--- a/linux/drivers/media/video/gspca/gspca.c
+++ b/linux/drivers/media/video/gspca/gspca.c
@@ -42,7 +42,10 @@
 #include "gspca.h"
 
 /* global values */
-#define DEF_NURBS 2		/* default number of URBs */
+#define DEF_NURBS 3		/* default number of URBs */
+#if DEF_NURBS > MAX_NURBS
+#error "DEF_NURBS too big"
+#endif
 
 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
 MODULE_DESCRIPTION("GSPCA USB Camera Driver");
@@ -50,8 +53,6 @@ MODULE_LICENSE("GPL");
 
 #define DRIVER_VERSION_NUMBER	KERNEL_VERSION(2, 5, 0)
 
-static int video_nr = -1;
-
 #ifdef GSPCA_DEBUG
 int gspca_debug = D_ERR | D_PROBE;
 EXPORT_SYMBOL(gspca_debug);
@@ -130,7 +131,7 @@ static void fill_frame(struct gspca_dev *gspca_dev,
 			struct urb *urb)
 {
 	struct gspca_frame *frame;
-	__u8 *data;		/* address of data in the iso message */
+	u8 *data;		/* address of data in the iso message */
 	int i, len, st;
 	cam_pkt_op pkt_scan;
 
@@ -170,7 +171,7 @@ static void fill_frame(struct gspca_dev *gspca_dev,
 		/* let the packet be analyzed by the subdriver */
 		PDEBUG(D_PACK, "packet [%d] o:%d l:%d",
 			i, urb->iso_frame_desc[i].offset, len);
-		data = (__u8 *) urb->transfer_buffer
+		data = (u8 *) urb->transfer_buffer
 					+ urb->iso_frame_desc[i].offset;
 		pkt_scan(gspca_dev, frame, data, len);
 	}
@@ -186,11 +187,11 @@ static void fill_frame(struct gspca_dev *gspca_dev,
  *
  * Analyse each packet and call the subdriver for copy to the frame buffer.
  */
-static void isoc_irq(struct urb *urb
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
-			, struct pt_regs *regs
+static void isoc_irq(struct urb *urb, struct pt_regs *regs)
+#else
+static void isoc_irq(struct urb *urb)
 #endif
-)
 {
 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
 
@@ -203,11 +204,11 @@ static void isoc_irq(struct urb *urb
 /*
  * bulk message interrupt from the USB device
  */
-static void bulk_irq(struct urb *urb
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
-			, struct pt_regs *regs
+static void bulk_irq(struct urb *urb, struct pt_regs *regs)
+#else
+static void bulk_irq(struct urb *urb)
 #endif
-)
 {
 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
 	struct gspca_frame *frame;
@@ -332,6 +333,7 @@ static int gspca_is_compressed(__u32 format)
 	case V4L2_PIX_FMT_JPEG:
 	case V4L2_PIX_FMT_SPCA561:
 	case V4L2_PIX_FMT_PAC207:
+	case V4L2_PIX_FMT_MR97310A:
 		return 1;
 	}
 	return 0;
@@ -433,7 +435,8 @@ static void destroy_urbs(struct gspca_dev *gspca_dev)
 			break;
 
 		gspca_dev->urb[i] = NULL;
-		usb_kill_urb(urb);
+		if (!gspca_dev->present)
+			usb_kill_urb(urb);
 		if (urb->transfer_buffer != NULL)
 			usb_buffer_free(gspca_dev->dev,
 					urb->transfer_buffer_length,
@@ -674,7 +677,8 @@ static void gspca_stream_off(struct gspca_dev *gspca_dev)
 	    && gspca_dev->sd_desc->stopN)
 		gspca_dev->sd_desc->stopN(gspca_dev);
 	destroy_urbs(gspca_dev);
-	gspca_set_alt0(gspca_dev);
+	if (gspca_dev->present)
+		gspca_set_alt0(gspca_dev);
 	if (gspca_dev->sd_desc->stop0)
 		gspca_dev->sd_desc->stop0(gspca_dev);
 	PDEBUG(D_STREAM, "stream off OK");
@@ -968,8 +972,7 @@ static int vidioc_querycap(struct file *file, void  *priv,
 			le16_to_cpu(gspca_dev->dev->descriptor.idVendor),
 			le16_to_cpu(gspca_dev->dev->descriptor.idProduct));
 	}
-	strncpy(cap->bus_info, gspca_dev->dev->bus->bus_name,
-		sizeof cap->bus_info);
+	usb_make_path(gspca_dev->dev, cap->bus_info, sizeof(cap->bus_info));
 	cap->version = DRIVER_VERSION_NUMBER;
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE
 			  | V4L2_CAP_STREAMING
@@ -1924,7 +1927,7 @@ int gspca_dev_probe(struct usb_interface *intf,
 	gspca_dev->present = 1;
 	ret = video_register_device(&gspca_dev->vdev,
 				  VFL_TYPE_GRABBER,
-				  video_nr);
+				  -1);
 	if (ret < 0) {
 		err("video_register_device err %d", ret);
 		goto out;
@@ -1951,7 +1954,6 @@ void gspca_disconnect(struct usb_interface *intf)
 	struct gspca_dev *gspca_dev = usb_get_intfdata(intf);
 
 	gspca_dev->present = 0;
-	gspca_dev->streaming = 0;
 
 	usb_set_intfdata(intf, NULL);