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V4L/DVB (13504): uvcvideo: Fix extension units parsing

The bNrInPins field is an 8 bit integer, not a 16 bit integer.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Laurent Pinchart 15 years ago
parent
commit
fd3e921739
1 changed files with 2 additions and 2 deletions
  1. 2 2
      drivers/media/video/uvc/uvc_driver.c

+ 2 - 2
drivers/media/video/uvc/uvc_driver.c

@@ -844,7 +844,7 @@ static int uvc_parse_vendor_control(struct uvc_device *dev,
 		unit->type = UVC_VC_EXTENSION_UNIT;
 		memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
 		unit->extension.bNumControls = buffer[20];
-		unit->extension.bNrInPins = get_unaligned_le16(&buffer[21]);
+		unit->extension.bNrInPins = buffer[21];
 		unit->extension.baSourceID = (__u8 *)unit + sizeof *unit;
 		memcpy(unit->extension.baSourceID, &buffer[22], p);
 		unit->extension.bControlSize = buffer[22+p];
@@ -1108,7 +1108,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
 		unit->type = buffer[2];
 		memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
 		unit->extension.bNumControls = buffer[20];
-		unit->extension.bNrInPins = get_unaligned_le16(&buffer[21]);
+		unit->extension.bNrInPins = buffer[21];
 		unit->extension.baSourceID = (__u8 *)unit + sizeof *unit;
 		memcpy(unit->extension.baSourceID, &buffer[22], p);
 		unit->extension.bControlSize = buffer[22+p];