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authorAlexey Dobriyan <adobriyan@gmail.com>2009-06-17 16:27:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:03:55 -0700
commit4c2a7e72d5937c6a112141c7ff3df0727b3cf3df (patch)
tree783dc576aef932a3b56c62da2edb63c1bf9b1170 /kernel
parentdca4a979604da1bac6956c0117abc2114d6dd3ec (diff)
downloadlinux-2.6.34-ux500-4c2a7e72d5937c6a112141c7ff3df0727b3cf3df.tar.gz
utsns: extract creeate_uts_ns()
create_uts_ns() will be used by C/R to create fresh uts_ns. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/utsname.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/utsname.c b/kernel/utsname.c
index 815237a55af..8a82b4b8ea5 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -15,6 +15,16 @@
#include <linux/err.h>
#include <linux/slab.h>
+static struct uts_namespace *create_uts_ns(void)
+{
+ struct uts_namespace *uts_ns;
+
+ uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+ if (uts_ns)
+ kref_init(&uts_ns->kref);
+ return uts_ns;
+}
+
/*
* Clone a new ns copying an original utsname, setting refcount to 1
* @old_ns: namespace to clone
@@ -24,14 +34,13 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns)
{
struct uts_namespace *ns;
- ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+ ns = create_uts_ns();
if (!ns)
return ERR_PTR(-ENOMEM);
down_read(&uts_sem);
memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
up_read(&uts_sem);
- kref_init(&ns->kref);
return ns;
}