From d059b24aea78934f920c86a54cd8813ef4ca4935 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Wed, 4 Oct 2017 11:09:22 +0200
Subject: [PATCH] split out qemuAssignDeviceInputAlias

Move assignment of input device alias into a separate function,
for reuse on hotplug.
---
 src/qemu/qemu_alias.c | 24 +++++++++++++++++++++++-
 src/qemu/qemu_alias.h |  4 ++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_alias.c b/src/qemu/qemu_alias.c
index 72df1083f2..737fc2fda8 100644
--- a/src/qemu/qemu_alias.c
+++ b/src/qemu/qemu_alias.c
@@ -412,6 +412,28 @@ qemuAssignDeviceWatchdogAlias(virDomainWatchdogDefPtr watchdog)
 
     if (VIR_STRDUP(watchdog->info.alias, "watchdog0") < 0)
         return -1;
+
+    return 0;
+}
+
+int
+qemuAssignDeviceInputAlias(virDomainDefPtr def,
+                           virDomainInputDefPtr input,
+                           int idx)
+{
+    if (idx == -1) {
+        int thisidx;
+        size_t i;
+
+        for (i = 0; i < def->ninputs; i++) {
+            if ((thisidx = qemuDomainDeviceAliasIndex(&def->inputs[i]->info, "input")) >= idx)
+                idx = thisidx + 1;
+        }
+    }
+
+    if (virAsprintf(&input->info.alias, "input%d", idx) < 0)
+        return -1;
+
     return 0;
 }
 
@@ -461,7 +483,7 @@ qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps)
             return -1;
     }
     for (i = 0; i < def->ninputs; i++) {
-        if (virAsprintf(&def->inputs[i]->info.alias, "input%zu", i) < 0)
+        if (qemuAssignDeviceInputAlias(def, def->inputs[i], i) < 0)
             return -1;
     }
     for (i = 0; i < def->nparallels; i++) {
diff --git a/src/qemu/qemu_alias.h b/src/qemu/qemu_alias.h
index 652ffea0c3..11bbc28608 100644
--- a/src/qemu/qemu_alias.h
+++ b/src/qemu/qemu_alias.h
@@ -67,6 +67,10 @@ int qemuAssignDeviceShmemAlias(virDomainDefPtr def,
 
 int qemuAssignDeviceWatchdogAlias(virDomainWatchdogDefPtr watchdog);
 
+int qemuAssignDeviceInputAlias(virDomainDefPtr def,
+                               virDomainInputDefPtr input,
+                               int idx);
+
 int qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps);
 
 int qemuDomainDeviceAliasIndex(const virDomainDeviceInfo *info,
-- 
2.47.2