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Use NULL in preference to 0 in pointer contexts.

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This commit is contained in:
Warner Losh 2009-02-03 07:54:42 +00:00
parent 13b4c4c3a3
commit 2c204a1631
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=188063
2 changed files with 9 additions and 9 deletions
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6
sys/kern/subr_devstat.c
View File

@ -407,10 +407,10 @@ sysctl_devstat(SYSCTL_HANDLER_ARGS)
* Sysctl entries for devstat. The first one is a node that all the rest
* hang off of.
*/
SYSCTL_NODE(_kern, OID_AUTO, devstat, CTLFLAG_RD, 0, "Device Statistics");
SYSCTL_NODE(_kern, OID_AUTO, devstat, CTLFLAG_RD, NULL, "Device Statistics");
SYSCTL_PROC(_kern_devstat, OID_AUTO, all, CTLFLAG_RD|CTLTYPE_OPAQUE,
0, 0, sysctl_devstat, "S,devstat", "All devices in the devstat list");
NULL, 0, sysctl_devstat, "S,devstat", "All devices in the devstat list");
/*
* Export the number of devices in the system so that userland utilities
* can determine how much memory to allocate to hold all the devices.
@ -534,4 +534,4 @@ devstat_free(struct devstat *dsp)
}
SYSCTL_INT(_debug_sizeof, OID_AUTO, devstat, CTLFLAG_RD,
0, sizeof(struct devstat), "sizeof(struct devstat)");
NULL, sizeof(struct devstat), "sizeof(struct devstat)");

12
sys/kern/subr_kobj.c
View File

@ -207,7 +207,7 @@ kobj_lookup_method_class(kobj_class_t cls, kobjop_desc_t desc)
}
}
return 0;
return NULL;
}
static kobj_method_t*
@ -230,7 +230,7 @@ kobj_lookup_method_mi(kobj_class_t cls,
}
}
return 0;
return NULL;
}
kobj_method_t*
@ -261,7 +261,7 @@ kobj_class_free(kobj_class_t cls)
{
int i;
kobj_method_t *m;
void* ops = 0;
void* ops = NULL;
KOBJ_ASSERT(MA_NOTOWNED);
KOBJ_LOCK();
@ -281,7 +281,7 @@ kobj_class_free(kobj_class_t cls)
* Free memory and clean up.
*/
ops = cls->ops;
cls->ops = 0;
cls->ops = NULL;
}
KOBJ_UNLOCK();
@ -302,7 +302,7 @@ kobj_create(kobj_class_t cls,
*/
obj = malloc(cls->size, mtype, mflags | M_ZERO);
if (!obj)
return 0;
return NULL;
kobj_init(obj, cls);
return obj;
@ -355,7 +355,7 @@ kobj_delete(kobj_t obj, struct malloc_type *mtype)
if (!refs)
kobj_class_free(cls);
obj->ops = 0;
obj->ops = NULL;
if (mtype)
free(obj, mtype);
}