linux-kernel - [PATCH v2 10/10] driver core: Constify attribute arguments of binary attributes

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Message-Id: <20241103-sysfs-const-bin_attr-v2-10-71110628844c@weissschuh.net>
Date: Sun, 03 Nov 2024 17:03:39 +0000
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Bjorn Helgaas <bhelgaas@...gle.com>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
 Davidlohr Bueso <dave@...olabs.net>, 
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 Christian König <christian.koenig@....com>, 
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 Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>, 
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 Tudor Ambarus <tudor.ambarus@...aro.org>, 
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 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
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 Andrew Donnellan <ajd@...ux.ibm.com>, Arnd Bergmann <arnd@...db.de>, 
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 Dexuan Cui <decui@...rosoft.com>
Cc: Dan Williams <dan.j.williams@...el.com>, linux-kernel@...r.kernel.org, 
 linux-pci@...r.kernel.org, linux-cxl@...r.kernel.org, 
 amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, 
 linux-rdma@...r.kernel.org, linux-mtd@...ts.infradead.org, 
 platform-driver-x86@...r.kernel.org, linux-scsi@...r.kernel.org, 
 linux-usb@...r.kernel.org, linux-alpha@...r.kernel.org, 
 linuxppc-dev@...ts.ozlabs.org, linux-hyperv@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 10/10] driver core: Constify attribute arguments of
 binary attributes

As preparation for the constification of struct bin_attribute,
constify the arguments of the read and write callbacks.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/base/node.c     | 4 ++--
 drivers/base/topology.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index eb72580288e62727e5b2198a6451cf9c2533225a..3e761633ac75826bedb5dd30b879f7cc1af95ec3 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -27,7 +27,7 @@ static const struct bus_type node_subsys = {
 };

 static inline ssize_t cpumap_read(struct file *file, struct kobject *kobj,
-				  struct bin_attribute *attr, char *buf,
+				  const struct bin_attribute *attr, char *buf,
 				  loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj);
@@ -48,7 +48,7 @@ static inline ssize_t cpumap_read(struct file *file, struct kobject *kobj,
 static BIN_ATTR_RO(cpumap, CPUMAP_FILE_MAX_BYTES);

 static inline ssize_t cpulist_read(struct file *file, struct kobject *kobj,
-				   struct bin_attribute *attr, char *buf,
+				   const struct bin_attribute *attr, char *buf,
 				   loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj);
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index 89f98be5c5b9915b2974e184bf89c4c25c183095..1090751d7f458ce8d2a50e82d65b8ce31e938f15 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -23,7 +23,7 @@ static ssize_t name##_show(struct device *dev,				\

 #define define_siblings_read_func(name, mask)					\
 static ssize_t name##_read(struct file *file, struct kobject *kobj,		\
-			   struct bin_attribute *attr, char *buf,		\
+			   const struct bin_attribute *attr, char *buf,		\
 			   loff_t off, size_t count)				\
 {										\
 	struct device *dev = kobj_to_dev(kobj);                                 \
@@ -33,7 +33,7 @@ static ssize_t name##_read(struct file *file, struct kobject *kobj,		\
 }										\
 										\
 static ssize_t name##_list_read(struct file *file, struct kobject *kobj,	\
-				struct bin_attribute *attr, char *buf,		\
+				const struct bin_attribute *attr, char *buf,	\
 				loff_t off, size_t count)			\
 {										\
 	struct device *dev = kobj_to_dev(kobj);					\

-- 
2.47.0