kernel_version_check_fix.patch

--- displaylink-installer.sh    2015-08-05 18:10:01.127802846 +1000
+++ displaylink-installer-patched.sh    2015-08-05 18:10:30.573247975 +1000
@@ -238,8 +238,10 @@

     # Required kernel version
     KVER=$(uname -r)
-    [ $(echo $KVER | cut -d. -f1) != 3 ] && missing_requirement "Kernel version $KVER is too old. At least 3.14 is required"
-    [ $(echo $KVER | cut -d. -f2) -lt 14 ] && missing_requirement "Kernel version $KVER is too old. At least 3.14 is required"
+    KMAJVER=$(echo $KVER | cut -d. -f1)
+    KMINVER=$(echo $KVER | cut -d. -f2)
+    ([ $KMAJVER -lt 3 ] || [ $KMAJVER -eq 3 ] && [ $KMINVER -lt 14 ]) && missing_requirement \
+      "Kernel version $KVER is too old. At least 3.14 is required"

     # Linux headers
     [ ! -f "/lib/modules/$KVER/build/Kbuild" ] && missing_requirement "Linux headers for running kernel, $KVER"