[libvirt] [PATCH] qemu: fix qemu.conf security_driver

Cole Robinson crobinso at redhat.com
Wed Aug 10 14:37:25 UTC 2016


Since a9331394 (first release v2.1.0), specifying a manual
security_driver setting in qemu.conf causes the daemon to fail to
start, erroring with 'Duplicate security driver X'.

The duplicate checking was incorrectly comparing every entry
against itself, guaranteeing a false positive.

https://bugzilla.redhat.com/show_bug.cgi?id=1365607
---
 src/qemu/qemu_conf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index b51f36f..7b971f1 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -436,7 +436,7 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
         goto cleanup;
 
     for (i = 0; cfg->securityDriverNames && cfg->securityDriverNames[i] != NULL; i++) {
-        for (j = i; cfg->securityDriverNames[j] != NULL; j++) {
+        for (j = i + 1; cfg->securityDriverNames[j] != NULL; j++) {
             if (STREQ(cfg->securityDriverNames[i],
                       cfg->securityDriverNames[j])) {
                 virReportError(VIR_ERR_CONF_SYNTAX,
-- 
2.7.4




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