diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index a477e4e..f5aa8cc 100644
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -123,6 +123,8 @@
 #define VENDOR_ID_INQ_MOBILE    0x2314
 // Sony's USB Vendor ID
 #define VENDOR_ID_SONY          0x054C
+// Lab126's USB Vendor ID
+#define VENDOR_ID_LAB126        0x1949
 
 /** built-in vendor list */
 int builtInVendorIds[] = {
@@ -170,6 +172,7 @@
     VENDOR_ID_QUANTA,
     VENDOR_ID_INQ_MOBILE,
     VENDOR_ID_SONY,
+    VENDOR_ID_LAB126,
 };
 
 #define BUILT_IN_VENDOR_COUNT    (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0]))
diff --git a/init/builtins.c b/init/builtins.c
index a7e34a6..ac9585e 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -332,6 +332,7 @@
     unsigned flag;
 } mount_flags[] = {
     { "noatime",    MS_NOATIME },
+    { "noexec",     MS_NOEXEC },
     { "nosuid",     MS_NOSUID },
     { "nodev",      MS_NODEV },
     { "nodiratime", MS_NODIRATIME },
diff --git a/libpixelflinger/fixed.cpp b/libpixelflinger/fixed.cpp
index 5b92062..5094537 100644
--- a/libpixelflinger/fixed.cpp
+++ b/libpixelflinger/fixed.cpp
@@ -62,7 +62,8 @@
     int shift;
     x = gglRecipQNormalized(x, &shift);
     shift += 16-q;
-    x += 1L << (shift-1);   // rounding
+    if (shift > 0)
+        x += 1L << (shift-1);   // rounding
     x >>= shift;
     return x;
 }