[PATCH 1/4] kobject: define common logging prefix

From: Thomas Weißschuh
Date: Fri Mar 10 2023 - 22:15:13 EST


All log messages start with the prefix "kobject: ".
Deduplicate this by using the pr_fmt() facility.

This makes the very long log strings shorter.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
lib/kobject.c | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/lib/kobject.c b/lib/kobject.c
index 6e2f0bee3560..09c81ffb8b33 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -10,6 +10,8 @@
* about using the kobject interface.
*/

+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/export.h>
@@ -127,7 +129,7 @@ static int fill_kobj_path(const struct kobject *kobj, char *path, int length)
*(path + --length) = '/';
}

- pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),
+ pr_debug("'%s' (%p): %s: path = '%s'\n", kobject_name(kobj),
kobj, __func__, path);

return 0;
@@ -223,7 +225,7 @@ static int kobject_add_internal(struct kobject *kobj)
kobj->parent = parent;
}

- pr_debug("kobject: '%s' (%p): %s: parent: '%s', set: '%s'\n",
+ pr_debug("'%s' (%p): %s: parent: '%s', set: '%s'\n",
kobject_name(kobj), kobj, __func__,
parent ? kobject_name(parent) : "<NULL>",
kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");
@@ -359,7 +361,7 @@ static __printf(3, 0) int kobject_add_varg(struct kobject *kobj,

retval = kobject_set_name_vargs(kobj, fmt, vargs);
if (retval) {
- pr_err("kobject: can not set name properly!\n");
+ pr_err("can not set name properly!\n");
return retval;
}
kobj->parent = parent;
@@ -588,7 +590,7 @@ static void __kobject_del(struct kobject *kobj)

/* send "remove" if the caller did not do it but sent "add" */
if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) {
- pr_debug("kobject: '%s' (%p): auto cleanup 'remove' event\n",
+ pr_debug("'%s' (%p): auto cleanup 'remove' event\n",
kobject_name(kobj), kobj);
kobject_uevent(kobj, KOBJ_REMOVE);
}
@@ -658,16 +660,16 @@ static void kobject_cleanup(struct kobject *kobj)
const struct kobj_type *t = get_ktype(kobj);
const char *name = kobj->name;

- pr_debug("kobject: '%s' (%p): %s, parent %p\n",
+ pr_debug("'%s' (%p): %s, parent %p\n",
kobject_name(kobj), kobj, __func__, kobj->parent);

if (t && !t->release)
- pr_debug("kobject: '%s' (%p): does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst.\n",
+ pr_debug("'%s' (%p): does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst.\n",
kobject_name(kobj), kobj);

/* remove from sysfs if the caller did not do it */
if (kobj->state_in_sysfs) {
- pr_debug("kobject: '%s' (%p): auto cleanup kobject_del\n",
+ pr_debug("'%s' (%p): auto cleanup kobject_del\n",
kobject_name(kobj), kobj);
__kobject_del(kobj);
} else {
@@ -676,14 +678,14 @@ static void kobject_cleanup(struct kobject *kobj)
}

if (t && t->release) {
- pr_debug("kobject: '%s' (%p): calling ktype release\n",
+ pr_debug("'%s' (%p): calling ktype release\n",
kobject_name(kobj), kobj);
t->release(kobj);
}

/* free name if we allocated it */
if (name) {
- pr_debug("kobject: '%s': free name\n", name);
+ pr_debug("'%s': free name\n", name);
kfree_const(name);
}

@@ -703,8 +705,8 @@ static void kobject_release(struct kref *kref)
struct kobject *kobj = container_of(kref, struct kobject, kref);
#ifdef CONFIG_DEBUG_KOBJECT_RELEASE
unsigned long delay = HZ + HZ * get_random_u32_below(4);
- pr_info("kobject: '%s' (%p): %s, parent %p (delayed %ld)\n",
- kobject_name(kobj), kobj, __func__, kobj->parent, delay);
+ pr_info("'%s' (%p): %s, parent %p (delayed %ld)\n",
+ kobject_name(kobj), kobj, __func__, kobj->parent, delay);
INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);

schedule_delayed_work(&kobj->release, delay);
@@ -733,7 +735,7 @@ EXPORT_SYMBOL(kobject_put);

static void dynamic_kobj_release(struct kobject *kobj)
{
- pr_debug("kobject: (%p): %s\n", kobj, __func__);
+ pr_debug("(%p): %s\n", kobj, __func__);
kfree(kobj);
}

@@ -910,7 +912,7 @@ EXPORT_SYMBOL_GPL(kset_find_obj);
static void kset_release(struct kobject *kobj)
{
struct kset *kset = container_of(kobj, struct kset, kobj);
- pr_debug("kobject: '%s' (%p): %s\n",
+ pr_debug("'%s' (%p): %s\n",
kobject_name(kobj), kobj, __func__);
kfree(kset);
}

--
2.39.2