diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 969b365f..9846dde 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4344,6 +4344,12 @@
 			     "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
 		}
 
+# concatenated string without spaces between elements
+		if ($line =~ /"X+"[A-Z_]+/ || $line =~ /[A-Z_]+"X+"/) {
+			CHK("CONCATENATED_STRING",
+			    "Concatenated strings should use spaces between elements\n" . $herecurr);
+		}
+
 # warn about #if 0
 		if ($line =~ /^.\s*\#\s*if\s+0\b/) {
 			CHK("REDUNDANT_CODE",