V4L/DVB (4342): Fix ext_controls align on 64 bit architectures

u64 is aligned as 128bits on x86_64 architetures, requiring an special
handling to ioctls that depends on v4l2_ext_control.
Let's fix this before ext controls go to kernel mainstream to avoid one
more compat32 stuff.

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

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index a62673dad76e41809ff88df2c4e34773347268ed..b7146956a9293be2091787ec445d7da2f8cead1a 100644 (file)
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -716,7 +716,7 @@ struct v4l2_ext_control
                __s64 value64;
                void *reserved;
        };
-};
+} __attribute__ ((packed));
 
 struct v4l2_ext_controls
 {