diff -Naur ivtv-0.3.7k.orig/driver/ivtv-controls.c ivtv-0.3.7k/driver/ivtv-controls.c
--- ivtv-0.3.7k.orig/driver/ivtv-controls.c	2005-08-16 13:31:30 +0200
+++ ivtv-0.3.7k/driver/ivtv-controls.c	2005-09-11 06:49:45 +0200
@@ -26,7 +26,7 @@
 static int ivtv_querymenu(struct v4l2_querymenu *qmenu)
 {
 	const char **menu;
-	u32 i = qmenu->index;;
+	u32 menumax = 0;
 
 	switch (qmenu->id) {
 	case V4L2_CID_IVTV_FREQ:{
@@ -34,9 +34,9 @@
 			"44.1 kHz",
 			"48 kHz",
 			"32 kHz",
-			NULL
 		};
 		menu = menu_freq;
+		menumax = sizeof(menu_freq) / sizeof(menu_freq[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_ENC:{
@@ -44,9 +44,9 @@
 			"Layer 1",
 			"Layer 2",
 			"Layer 3 (?)",
-			NULL
 		};
 		menu = menu_layer;
+		menumax = sizeof(menu_layer) / sizeof(menu_layer[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_BITRATE:{
@@ -66,9 +66,9 @@
 			"[L1/L2] 384k/256k",
 			"[L1/L2] 416k/320k",
 			"[L1/L2] 448k/384k",
-			NULL
 		};
 		menu = menu_bitrate;
+		menumax = sizeof(menu_bitrate) / sizeof(menu_bitrate[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_MONO:{
@@ -77,9 +77,9 @@
 			"JointStereo",
 			"Dual",
 			"Mono",
-			NULL
 		};
 		menu = menu_mono;
+		menumax = sizeof(menu_mono) / sizeof(menu_mono[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_JOINT:{
@@ -88,9 +88,9 @@
 			"Subbands 8-31/bound=8",
 			"Subbands 12-31/bound=12",
 			"Subbands 16-31/bound=16",
-			NULL
 		};
 		menu = menu_joint;
+		menumax = sizeof(menu_joint) / sizeof(menu_joint[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_EMPHASIS:{
@@ -98,50 +98,47 @@
 			"None",
 			"50/15uS",
 			"CCITT J.17",
-			NULL
 		};
 		menu = menu_emph;
+		menumax = sizeof(menu_emph) / sizeof(menu_emph[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_CRC:{
 		const char *menu_crc[] = {
 			"CRC off",
 			"CRC on",
-			NULL
 		};
 		menu = menu_crc;
+		menumax = sizeof(menu_crc) / sizeof(menu_crc[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_COPYRIGHT:{
 		const char *menu_copyright[] = {
 			"Copyright off",
 			"Copyright on",
-			NULL
 		};
 		menu = menu_copyright;
+		menumax = sizeof(menu_copyright) / sizeof(menu_copyright[0]);
 		break;
 	}
 	case V4L2_CID_IVTV_GEN:{
 		const char *menu_gen[] = {
 			"Copy",
 			"Original",
-			NULL
 		};
 		menu = menu_gen;
+		menumax = sizeof(menu_gen) / sizeof(menu_gen[0]);
 		break;
 	}
 	default:
-		IVTV_DEBUG_INFO("v4l2 ioctl: invalid control\n");
-		return -EINVAL;
-	}
-	while (i && *menu) {
-		menu++;
-	}
-	if (*menu == NULL) {
-		IVTV_DEBUG_INFO("v4l2 ioctl: invalid menu index\n");
-		return -EINVAL;
-	}
-	strncpy(qmenu->name, *menu, sizeof(qmenu->name));
+ 		IVTV_DEBUG_INFO("v4l2 ioctl: invalid control (0x%08X)\n", qmenu->id);
+  		return -EINVAL;
+  	}
+ 	if (qmenu->index < 0 || qmenu->index >= menumax) {
+ 		IVTV_DEBUG_INFO( "v4l2 ioctl: invalid menu index (%d)\n", qmenu->index);
+  		return -EINVAL;
+  	}
+ 	strncpy(qmenu->name, menu[qmenu->index], sizeof(qmenu->name));
 	return 0;
 }
 
@@ -262,7 +259,7 @@
 		ivtv_init_queryctrl(qctrl, V4L2_CTRL_TYPE_INTEGER, 0, 1, 0, 1);
 		break;
 	default:
-		IVTV_DEBUG_INFO("v4l2 ioctl: invalid control\n");
+		IVTV_DEBUG_INFO("v4l2 ioctl: invalid control (0x%08X)\n", qctrl->id);
 		return -EINVAL;
 	}
 	strncpy(qctrl->name, name, sizeof(qctrl->name) - 1);
@@ -415,7 +412,7 @@
 		ivtv_audio_set_mute(itv, v);
 		break;
 	default:
-		IVTV_DEBUG_WARN("ctrl: invalid control\n");
+		IVTV_DEBUG_WARN("ctrl: invalid control (0x%08X)\n", vctrl->id);
 		return -EINVAL;
 	}
 	return 0;
@@ -504,7 +501,7 @@
 		vctrl->value = ivtv_audio_get_mute(itv);
 		break;
 	default:
-		IVTV_DEBUG_WARN("ctrl: invalid control\n");
+		IVTV_DEBUG_WARN("ctrl: invalid control (0x%08X)\n", vctrl->id);
 		return -EINVAL;
 	}
 	return 0;
diff -Naur ivtv-0.3.7k.orig/driver/v4l1-compat.c ivtv-0.3.7k/driver/v4l1-compat.c
--- ivtv-0.3.7k.orig/driver/v4l1-compat.c	2005-08-16 13:31:30 +0200
+++ ivtv-0.3.7k/driver/v4l1-compat.c	2005-09-11 06:49:45 +0200
@@ -361,7 +361,12 @@
 		err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
 		if (err < 0) {
 			dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n", err);
-			break;
+ 			buffer->base = 0;
+ 			buffer->width = 0;
+ 			buffer->height = 0;
+ 			buffer->depth = 0;
+			buffer->bytesperline = 0;
+ 			return 0;
 		}
 		buffer->base = fbuf2.base;
 		buffer->height = fbuf2.fmt.height;