[libvirt] [PATCH 5/7] qemu: Extract qemuGetHostdevPath from qemuGetSharedHostdevKey

[John Ferlan]

The device path will be necessary for upcoming patch to allow sgio
settings on a hostdev

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_conf.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index faa0b49..797e5f1 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1258,20 +1258,14 @@ qemuGetHostdevPath(virDomainHostdevDefPtr hostdev)
 
 
 static char *
-qemuGetSharedHostdevKey(virDomainHostdevDefPtr hostdev)
+qemuGetSharedHostdevKey(const char *dev_path)
 {
     char *key = NULL;
-    char *dev_path = NULL;
-
-    if (!(dev_path = qemuGetHostdevPath(hostdev)))
-        goto cleanup;
 
     if (!(key = qemuGetSharedDeviceKey(dev_path)))
         goto cleanup;
 
  cleanup:
-    VIR_FREE(dev_path);
-
     return key;
 }
 
@@ -1280,6 +1274,7 @@ qemuAddSharedHostdev(virQEMUDriverPtr driver,
                      virDomainHostdevDefPtr hostdev,
                      const char *name)
 {
+    char *dev_path = NULL;
     char *key = NULL;
     int ret = -1;
 
@@ -1288,7 +1283,10 @@ qemuAddSharedHostdev(virQEMUDriverPtr driver,
 
     qemuDriverLock(driver);
 
-    if (!(key = qemuGetSharedHostdevKey(hostdev)))
+    if (!(dev_path = qemuGetHostdevPath(hostdev)))
+        goto cleanup;
+
+    if (!(key = qemuGetSharedHostdevKey(dev_path)))
         goto cleanup;
 
     if (qemuSharedDeviceEntryInsert(driver, key, name) < 0)
@@ -1298,6 +1296,7 @@ qemuAddSharedHostdev(virQEMUDriverPtr driver,
 
  cleanup:
     qemuDriverUnlock(driver);
+    VIR_FREE(dev_path);
     VIR_FREE(key);
     return ret;
 }
@@ -1386,6 +1385,7 @@ qemuRemoveSharedHostdev(virQEMUDriverPtr driver,
                         virDomainHostdevDefPtr hostdev,
                         const char *name)
 {
+    char *dev_path = NULL;
     char *key = NULL;
     int ret = -1;
 
@@ -1394,7 +1394,10 @@ qemuRemoveSharedHostdev(virQEMUDriverPtr driver,
 
     qemuDriverLock(driver);
 
-    if (!(key = qemuGetSharedHostdevKey(hostdev)))
+    if (!(dev_path = qemuGetHostdevPath(hostdev)))
+        goto cleanup;
+
+    if (!(key = qemuGetSharedHostdevKey(dev_path)))
         goto cleanup;
 
     if (qemuSharedDeviceEntryRemove(driver, key, name) < 0)
@@ -1403,6 +1406,7 @@ qemuRemoveSharedHostdev(virQEMUDriverPtr driver,
     ret = 0;
  cleanup:
     qemuDriverUnlock(driver);
+    VIR_FREE(dev_path);
     VIR_FREE(key);
     return ret;
 }
-- 
2.1.0