[POWERPC] Fix handling of unrecoverable SLB miss interrupts

[linux-2.6] / 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;
 }