[PATCH 4/7] qemu: Refactor qemuAddSharedHostdev and qemuRemoveSharedHostdev

[John Ferlan <jferlan@xxxxxxxxxx>]

Refactor the functions to follow logic from qemuAddSharedDisk and
qemuRemoveSharedDisk with respect to locking driver.

Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
 src/qemu/qemu_conf.c | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 0314707..faa0b49 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1286,13 +1286,18 @@ qemuAddSharedHostdev(virQEMUDriverPtr driver,
     if (!qemuIsSharedHostdev(hostdev))
         return 0;
 
+    qemuDriverLock(driver);
+
     if (!(key = qemuGetSharedHostdevKey(hostdev)))
-        return -1;
+        goto cleanup;
 
-    qemuDriverLock(driver);
-    ret = qemuSharedDeviceEntryInsert(driver, key, name);
-    qemuDriverUnlock(driver);
+    if (qemuSharedDeviceEntryInsert(driver, key, name) < 0)
+        goto cleanup;
+
+    ret = 0;
 
+ cleanup:
+    qemuDriverUnlock(driver);
     VIR_FREE(key);
     return ret;
 }
@@ -1382,18 +1387,22 @@ qemuRemoveSharedHostdev(virQEMUDriverPtr driver,
                         const char *name)
 {
     char *key = NULL;
-    int ret;
+    int ret = -1;
 
     if (!qemuIsSharedHostdev(hostdev))
         return 0;
 
+    qemuDriverLock(driver);
+
     if (!(key = qemuGetSharedHostdevKey(hostdev)))
-        return -1;
+        goto cleanup;
 
-    qemuDriverLock(driver);
-    ret = qemuSharedDeviceEntryRemove(driver, key, name);
-    qemuDriverUnlock(driver);
+    if (qemuSharedDeviceEntryRemove(driver, key, name) < 0)
+        goto cleanup;
 
+    ret = 0;
+ cleanup:
+    qemuDriverUnlock(driver);
     VIR_FREE(key);
     return ret;
 }
-- 
2.1.0

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