checkpatch: struct seq_operations should normally be const

In the general use case struct seq_operations should be a const object.
Check for and warn where it is not.

Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5ea55e330c24..447435c33dd5 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2527,9 +2527,10 @@ sub process {
                         WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
                 }
 # check for struct file_operations, ensure they are const.
-                if ($line =~ /\bstruct\s+file_operations\b/ &&
-                    $line !~ /\bconst\b/) {
-                        WARN("struct file_operations should normally be const\n" . $herecurr);
+                if ($line !~ /\bconst\b/ &&
+                    $line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
+                        WARN("struct $1 should normally be const\n" .
+                                $herecurr);
                 }
 
 # use of NR_CPUS is usually wrong