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authorAndy Whitcroft <apw@canonical.com>2009-01-06 14:41:29 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:17 -0800
commit2b6db5cb65cb1276a7aa363a6e7335b0a8a68393 (patch)
tree289e1048f76a56c551ef57aeb4adf54d4f9a3172 /scripts
parentb53c8e104ed071c47ada2adce194625ab03d9f3d (diff)
downloadlinux-2b6db5cb65cb1276a7aa363a6e7335b0a8a68393.tar.bz2
checkpatch: struct file_operations should normally be const
In the general use case struct file_operations should be a const object. Check for and warn where it is not. As suggested by Steven and Ingo. Acked-by: Steven Rostedt <rostedt@goodmis.org> 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>
Diffstat (limited to 'scripts')
-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