[libvirt] [PATCH] Optimization of the check for valid interface name

[Stefan Berger <stefanb@xxxxxxxxxx>]

The attached patch optimizes the validation of the name of an interface.

Signed-off-by: Stefan Berger

Index: libvirt-acl/src/conf/domain_conf.c
===================================================================
--- libvirt-acl.orig/src/conf/domain_conf.c
+++ libvirt-acl/src/conf/domain_conf.c
@@ -1795,7 +1795,7 @@ cleanup:
 
 static bool
 isValidIfname(const char *ifname) {
-    return (strspn(ifname, VALID_IFNAME_CHARS) == strlen(ifname));
+    return ifname[strspn(ifname, VALID_IFNAME_CHARS)] == 0;
 }
 
 

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