linux-kernel - [PATCH] checkpatch.pl: Extend list of expected-to-be-const structures

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Date:	Sun, 17 Jan 2010 17:43:42 +0100
From:	Emese Revfy <re.emese@...il.com>
To:	linux-kernel@...r.kernel.org, apw@...onical.com,
	akpm@...ux-foundation.org, dwalker@...o99.com,
	Arjan van de Ven <arjan@...radead.org>,
	Pavel Machek <pavel@....cz>, torvalds@...ux-foundation.org
Subject: [PATCH] checkpatch.pl: Extend list of expected-to-be-const structures

From: Emese Revfy <re.emese@...il.com>

Based on Arjan's suggestion, extend the list of ops structures that should be const.

Signed-off-by: Emese Revfy <re.emese@...il.com>
--

 scripts/checkpatch.pl |   43 ++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 40 insertions(+), 3 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3257d3d..9494433 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2634,9 +2634,46 @@ 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.
+# check for various ops structs, ensure they are const.
+		my $struct_ops = qr{acpi_dock_ops|
+				address_space_operations|
+				backlight_ops|
+				block_device_operations|
+				dentry_operations|
+				dev_pm_ops|
+				dma_map_ops|
+				extent_io_ops|
+				file_lock_operations|
+				file_operations|
+				hv_ops|
+				ide_dma_ops|
+				intel_dvo_dev_ops|
+				item_operations|
+				iwl_ops|
+				kgdb_arch|
+				kgdb_io|
+				kset_uevent_ops|
+				lock_manager_operations|
+				microcode_ops|
+				mtrr_ops|
+				neigh_ops|
+				nlmsvc_binding|
+				pci_raw_ops|
+				pipe_buf_operations|
+				platform_hibernation_ops|
+				platform_suspend_ops|
+				proto_ops|
+				rpc_pipe_ops|
+				seq_operations|
+				snd_ac97_build_ops|
+				soc_pcmcia_socket_ops|
+				stacktrace_ops|
+				sysfs_ops|
+				tty_operations|
+				usb_mon_operations|
+				wd_ops}x;
 		if ($line !~ /\bconst\b/ &&
-		    $line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
+		    $line =~ /\bstruct\s+($struct_ops)\b/) {
 			WARN("struct $1 should normally be const\n" .
 				$herecurr);
 		}


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