qemu: fix build with clang

qemuMigrationResetTLS() does not initialize 'ret' by default,
so when it jumps to 'cleanup' on error, the 'ret' variable will be
uninitialized, which clang complains about.

Set it to '-1' by default.

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index d91279ec6f4510949165aba0ce851adbe7e119d3..a69e8784ab5240c947bc8f6ff631bcca7bc703bd 100644 (file)
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -3815,7 +3815,7 @@ qemuMigrationResetTLS(virQEMUDriverPtr driver,
     char *tlsAlias = in_tlsAlias;
     char *secAlias = in_secAlias;
     qemuMonitorMigrationParams migParams = { 0 };
-    int ret;
+    int ret = -1;
 
     /* If coming from a path that doesn't know whether it's been used or not,
      * let's first check we need to do this. If the tls-creds doesn't exist