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namespace: make ns_type_supported() a tiny bit shorter

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namespace_type_to_string() already validates the type paramater, we can
use that, and shorten the function a bit.
This commit is contained in:
Lennart Poettering
2017-10-10 09:50:23 +02:00
parent bb0ff3fb1b
commit 0fa5b8312a
1 changed files with 2 additions and 3 deletions
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5
src/core/namespace.c
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@@ -1431,12 +1431,11 @@ fail:
bool ns_type_supported(NamespaceType type) {
const char *t, *ns_proc;
if (type <= _NAMESPACE_TYPE_INVALID || type >= _NAMESPACE_TYPE_MAX)
t = namespace_type_to_string(type);
if (!t) /* Don't know how to translate this? Then it's not supported */
return false;
t = namespace_type_to_string(type);
ns_proc = strjoina("/proc/self/ns/", t);
return access(ns_proc, F_OK) == 0;
}