unshare the utsname in all the cases

The current code implies we have to define a utsname in order to unshare it. This problematic in case of system container because we want them to set their hostname. As the utsname namespace is a COW, we can safely unshare it in all the cases. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>

unshare the utsname in all the cases
1ea6db29 · Daniel Lezcano · ddceb1f9 · 1ea6db29
Commit 1ea6db29 authored Jun 12, 2009 by Daniel Lezcano
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start.c src/lxc/start.c +1 -3

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--- a/src/lxc/start.c
+++ b/src/lxc/start.c
@@ -459,9 +459,7 @@ int lxc_spawn(const char *name, struct lxc_handler *handler, char *const argv[])
 		goto out;
 	}
-	clone_flags = CLONE_NEWPID|CLONE_NEWIPC|CLONE_NEWNS;
+	clone_flags = CLONE_NEWUTS|CLONE_NEWPID|CLONE_NEWIPC|CLONE_NEWNS;
-	if (conf_has_utsname(name))
-		clone_flags |= CLONE_NEWUTS;
 	if (conf_has_network(name))
 		clone_flags |= CLONE_NEWNET;