1 files changed, 8 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 69c4716d9e27..f04fe88d998d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5157,6 +5157,14 @@ sub process {
                         }
                 }
 
+# Check for memcmp(foo, bar, ETH_ALEN) that could be ether_addr_equal*(foo, bar)
+                if ($^V && $^V ge 5.10.0 &&
+                    defined $stat &&
+                    $stat =~ /^\+(?:.*?)\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+                        WARN("PREFER_ETHER_ADDR_EQUAL",
+                             "Prefer ether_addr_equal() or ether_addr_equal_unaligned() over memcmp()\n" . "$here\n$stat\n")
+                }
+
 # typecasts on min/max could be min_t/max_t
                 if ($^V && $^V ge 5.10.0 &&
                     defined $stat &&