X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Futsname.c;h=816d7b24fa031af51b08d9108366d21626e3d38e;hb=856848737bd944c1db3ce0a66bbf67e56bd6f77d;hp=9d8180a0f0d815dbe051dbb6a710385d22f0b342;hpb=39fe5434cb9de5da40510028b17b96bc4eb312b3;p=linux-2.6

diff --git a/kernel/utsname.c b/kernel/utsname.c
index 9d8180a0f0..816d7b24fa 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -28,7 +28,9 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_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;
 }