[PATCH 12/32] uts: use ns_common_init()
From: Christian Brauner <brauner@kernel.org>
Date: 2025-09-10 14:38:17
Also in:
cgroups, linux-block, linux-fsdevel, linux-kselftest, linux-nfs, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Don't cargo-cult the same thing over and over. Signed-off-by: Christian Brauner <brauner@kernel.org> --- kernel/utsname.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/kernel/utsname.c b/kernel/utsname.c
index b1ac3ca870f2..02037010b378 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c@@ -27,16 +27,6 @@ static void dec_uts_namespaces(struct ucounts *ucounts) dec_ucount(ucounts, UCOUNT_UTS_NAMESPACES); } -static struct uts_namespace *create_uts_ns(void) -{ - struct uts_namespace *uts_ns; - - uts_ns = kmem_cache_alloc(uts_ns_cache, GFP_KERNEL); - if (uts_ns) - refcount_set(&uts_ns->ns.count, 1); - return uts_ns; -} - /* * Clone a new ns copying an original utsname, setting refcount to 1 * @old_ns: namespace to clone
@@ -55,17 +45,15 @@ static struct uts_namespace *clone_uts_ns(struct user_namespace *user_ns, goto fail; err = -ENOMEM; - ns = create_uts_ns(); + ns = kmem_cache_zalloc(uts_ns_cache, GFP_KERNEL); if (!ns) goto fail_dec; - err = ns_alloc_inum(&ns->ns); + err = ns_common_init(&ns->ns, &utsns_operations, true); if (err) goto fail_free; ns->ucounts = ucounts; - ns->ns.ops = &utsns_operations; - down_read(&uts_sem); memcpy(&ns->name, &old_ns->name, sizeof(ns->name)); ns->user_ns = get_user_ns(user_ns);
--
2.47.3