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-rwxr-xr-xscripts/checkpatch.pl5
1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c39ce0b663b4..94371f69122c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2509,6 +2509,11 @@ sub process {
if ($line =~ /^.\s*__initcall\s*\(/) {
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);
+ }
# use of NR_CPUS is usually wrong
# ignore definitions of NR_CPUS and usage to define arrays as likely right