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mm: have zonelist contains structs with both a zone pointer and zone_idx
[deliverable/linux.git]
/
kernel
/
utsname.c
diff --git
a/kernel/utsname.c
b/kernel/utsname.c
index 9d8180a0f0d815dbe051dbb6a710385d22f0b342..816d7b24fa031af51b08d9108366d21626e3d38e 100644
(file)
--- 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;
}
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