Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
uts: use ns_common_init()
Don't cargo-cult the same thing over and over.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
+2
-14
+2
-14
kernel/utsname.c
+2
-14
kernel/utsname.c
···
27
27
dec_ucount(ucounts, UCOUNT_UTS_NAMESPACES);
28
28
}
29
29
30
-
static struct uts_namespace *create_uts_ns(void)
31
-
{
32
-
struct uts_namespace *uts_ns;
33
-
34
-
uts_ns = kmem_cache_alloc(uts_ns_cache, GFP_KERNEL);
35
-
if (uts_ns)
36
-
refcount_set(&uts_ns->ns.count, 1);
37
-
return uts_ns;
38
-
}
39
-
40
30
/*
41
31
* Clone a new ns copying an original utsname, setting refcount to 1
42
32
* @old_ns: namespace to clone
···
45
55
goto fail;
46
56
47
57
err = -ENOMEM;
48
-
ns = create_uts_ns();
58
+
ns = kmem_cache_zalloc(uts_ns_cache, GFP_KERNEL);
49
59
if (!ns)
50
60
goto fail_dec;
51
61
52
-
err = ns_alloc_inum(&ns->ns);
62
+
err = ns_common_init(&ns->ns, &utsns_operations, true);
53
63
if (err)
54
64
goto fail_free;
55
65
56
66
ns->ucounts = ucounts;
57
-
ns->ns.ops = &utsns_operations;
58
-
59
67
down_read(&uts_sem);
60
68
memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
61
69
ns->user_ns = get_user_ns(user_ns);