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[libvirt] [PATCH 06/14] qemu: hotplug: Format proper source string for cdrom media change



Use the qemu source string formatter to format the source string
correctly for remote and other storage instead of passing source->path
blindly.
---
 src/qemu/qemu_driver.c  |  3 ++-
 src/qemu/qemu_hotplug.c | 12 +++++++++---
 src/qemu/qemu_hotplug.h |  1 +
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index fc345d5..7088f19 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6665,7 +6665,8 @@ qemuDomainChangeDiskMediaLive(virConnectPtr conn,
         newsrc = disk->src;
         disk->src = NULL;

-        ret = qemuDomainChangeEjectableMedia(driver, vm, orig_disk, newsrc, force);
+        ret = qemuDomainChangeEjectableMedia(driver, conn, vm,
+                                             orig_disk, newsrc, force);
         /* 'disk' must not be accessed now - it has been freed.
          * 'orig_disk' now points to the new disk, while 'dev_copy'
          * now points to the old disk */
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 9ad06be..39907ab 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -138,6 +138,7 @@ qemuDomainPrepareDisk(virQEMUDriverPtr driver,


 int qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver,
+                                   virConnectPtr conn,
                                    virDomainObjPtr vm,
                                    virDomainDiskDefPtr disk,
                                    virStorageSourcePtr newsrc,
@@ -148,6 +149,7 @@ int qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver,
     qemuDomainObjPrivatePtr priv = vm->privateData;
     int retries = CHANGE_MEDIA_RETRIES;
     const char *format = NULL;
+    char *sourcestr = NULL;

     if (!disk->info.alias) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -197,7 +199,10 @@ int qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver,
         goto error;
     }

-    if (newsrc->path) {
+    if (!virStorageSourceIsLocalStorage(newsrc) || newsrc->path) {
+        if (qemuGetDriveSourceString(newsrc, conn, &sourcestr) < 0)
+            goto error;
+
         if (virStorageSourceGetActualType(newsrc) != VIR_STORAGE_TYPE_DIR) {
             if (newsrc->format > 0) {
                 format = virStorageFileFormatTypeToString(newsrc->format);
@@ -209,7 +214,7 @@ int qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver,
         qemuDomainObjEnterMonitor(driver, vm);
         ret = qemuMonitorChangeMedia(priv->mon,
                                      driveAlias,
-                                     newsrc->path,
+                                     sourcestr,
                                      format);
         qemuDomainObjExitMonitor(driver, vm);
     }
@@ -228,6 +233,7 @@ int qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver,
  cleanup:
     virStorageSourceFree(newsrc);
     VIR_FREE(driveAlias);
+    VIR_FREE(sourcestr);
     return ret;

  error:
@@ -791,7 +797,7 @@ qemuDomainAttachDeviceDiskLive(virConnectPtr conn,
         newsrc = disk->src;
         disk->src = NULL;

-        ret = qemuDomainChangeEjectableMedia(driver, vm, orig_disk, newsrc, false);
+        ret = qemuDomainChangeEjectableMedia(driver, conn, vm, orig_disk, newsrc, false);
         /* 'newsrc' must not be accessed now - it has been free'd.
          * 'orig_disk' now points to the new disk, while 'dev_copy'
          * now points to the old disk */
diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h
index 5ce8f0a..1200e44 100644
--- a/src/qemu/qemu_hotplug.h
+++ b/src/qemu/qemu_hotplug.h
@@ -29,6 +29,7 @@
 # include "domain_conf.h"

 int qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver,
+                                   virConnectPtr conn,
                                    virDomainObjPtr vm,
                                    virDomainDiskDefPtr disk,
                                    virStorageSourcePtr newsrc,
-- 
2.0.2


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