Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932709AbZLQSOs (ORCPT ); Thu, 17 Dec 2009 13:14:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965199AbZLQSOb (ORCPT ); Thu, 17 Dec 2009 13:14:31 -0500 Received: from smtp.nokia.com ([192.100.122.230]:65415 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965010AbZLQSO2 (ORCPT ); Thu, 17 Dec 2009 13:14:28 -0500 From: Phil Carmody To: gregkh@suse.de Cc: linux-kernel@vger.kernel.org Subject: [RFC 2/6] Driver core: bin_attribute parameters can often be const* Date: Thu, 17 Dec 2009 20:12:12 +0200 Message-Id: <1261073536-27396-3-git-send-email-ext-phil.2.carmody@nokia.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1261073536-27396-2-git-send-email-ext-phil.2.carmody@nokia.com> References: <1261073536-27396-1-git-send-email-ext-phil.2.carmody@nokia.com> <1261073536-27396-2-git-send-email-ext-phil.2.carmody@nokia.com> X-OriginalArrivalTime: 17 Dec 2009 18:11:56.0178 (UTC) FILETIME=[6AEB2720:01CA7F44] X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4464 Lines: 122 Many struct bin_attribute descriptors are purely read-only structures, and there's no need to change them. Therefore make the promise not to, which will let those descriptors be put in a ro section. Signed-off-by: Phil Carmody --- drivers/base/core.c | 6 ++++-- fs/sysfs/bin.c | 6 ++++-- include/linux/device.h | 6 +++--- include/linux/sysfs.h | 9 +++++---- 4 files changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index c1e3cad..d0b2116 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -465,7 +465,8 @@ void device_remove_file(struct device *dev, * @dev: device. * @attr: device binary attribute descriptor. */ -int device_create_bin_file(struct device *dev, struct bin_attribute *attr) +int device_create_bin_file(struct device *dev, + const struct bin_attribute *attr) { int error = -EINVAL; if (dev) @@ -479,7 +480,8 @@ EXPORT_SYMBOL_GPL(device_create_bin_file); * @dev: device. * @attr: device binary attribute descriptor. */ -void device_remove_bin_file(struct device *dev, struct bin_attribute *attr) +void device_remove_bin_file(struct device *dev, + const struct bin_attribute *attr) { if (dev) sysfs_remove_bin_file(&dev->kobj, attr); diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index 60c702b..a0a500a 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c @@ -483,7 +483,8 @@ void unmap_bin_file(struct sysfs_dirent *attr_sd) * @attr: attribute descriptor. */ -int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr) +int sysfs_create_bin_file(struct kobject *kobj, + const struct bin_attribute *attr) { BUG_ON(!kobj || !kobj->sd || !attr); @@ -497,7 +498,8 @@ int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr) * @attr: attribute descriptor. */ -void sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr) +void sysfs_remove_bin_file(struct kobject *kobj, + const struct bin_attribute *attr) { sysfs_hash_and_remove(kobj->sd, attr->attr.name); } diff --git a/include/linux/device.h b/include/linux/device.h index 9ecd9b0..0823a29 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -319,13 +319,13 @@ struct device_attribute { struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store) extern int __must_check device_create_file(struct device *device, - const struct device_attribute *entry); + const struct device_attribute *entry); extern void device_remove_file(struct device *dev, const struct device_attribute *attr); extern int __must_check device_create_bin_file(struct device *dev, - struct bin_attribute *attr); + const struct bin_attribute *attr); extern void device_remove_bin_file(struct device *dev, - struct bin_attribute *attr); + const struct bin_attribute *attr); extern int device_schedule_callback_owner(struct device *dev, void (*func)(struct device *dev), struct module *owner); diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 9d68fed..cfa8308 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -99,8 +99,9 @@ int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr); int __must_check sysfs_create_bin_file(struct kobject *kobj, - struct bin_attribute *attr); -void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr); + const struct bin_attribute *attr); +void sysfs_remove_bin_file(struct kobject *kobj, + const struct bin_attribute *attr); int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target, const char *name); @@ -175,13 +176,13 @@ static inline void sysfs_remove_file(struct kobject *kobj, } static inline int sysfs_create_bin_file(struct kobject *kobj, - struct bin_attribute *attr) + const struct bin_attribute *attr) { return 0; } static inline void sysfs_remove_bin_file(struct kobject *kobj, - struct bin_attribute *attr) + const struct bin_attribute *attr) { } -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/