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[libvirt] [PATCH 13/17] virsh-nodedev: Refactor error paths, error messages and whitespace



This patch adds some empty lines to separate blocks of code, cleans up
unnecessary error message constructs in cmdNodeDeviceDetach,
cmdNodeDeviceReAttach, cmdNodeDeviceReset and refactors error paths in
cmdNodeDeviceDumpXML.
---
 tools/virsh-nodedev.c | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/tools/virsh-nodedev.c b/tools/virsh-nodedev.c
index 8b4c75b..f85bded 100644
--- a/tools/virsh-nodedev.c
+++ b/tools/virsh-nodedev.c
@@ -485,26 +485,28 @@ static bool
 cmdNodeDeviceDumpXML(vshControl *ctl, const vshCmd *cmd)
 {
     const char *name = NULL;
-    virNodeDevicePtr device;
-    char *xml;
+    virNodeDevicePtr device = NULL;
+    char *xml = NULL;
+    bool ret = false;

     if (vshCommandOptStringReq(ctl, cmd, "device", &name) < 0)
         return false;
+
     if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) {
-        vshError(ctl, "%s '%s'", _("Could not find matching device"), name);
+        vshError(ctl, _("Could not find matching device '%s'"), name);
         return false;
     }

-    xml = virNodeDeviceGetXMLDesc(device, 0);
-    if (!xml) {
-        virNodeDeviceFree(device);
-        return false;
-    }
+    if (!(xml = virNodeDeviceGetXMLDesc(device, 0)))
+        goto cleanup;

     vshPrint(ctl, "%s\n", xml);
+    ret = true;
+
+cleanup:
     VIR_FREE(xml);
     virNodeDeviceFree(device);
-    return true;
+    return ret;
 }

 /*
@@ -535,8 +537,9 @@ cmdNodeDeviceDetach(vshControl *ctl, const vshCmd *cmd)

     if (vshCommandOptStringReq(ctl, cmd, "device", &name) < 0)
         return false;
+
     if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) {
-        vshError(ctl, "%s '%s'", _("Could not find matching device"), name);
+        vshError(ctl, _("Could not find matching device '%s'"), name);
         return false;
     }

@@ -548,6 +551,7 @@ cmdNodeDeviceDetach(vshControl *ctl, const vshCmd *cmd)
         vshError(ctl, _("Failed to detach device %s"), name);
         ret = false;
     }
+
     virNodeDeviceFree(device);
     return ret;
 }
@@ -580,8 +584,9 @@ cmdNodeDeviceReAttach(vshControl *ctl, const vshCmd *cmd)

     if (vshCommandOptStringReq(ctl, cmd, "device", &name) < 0)
         return false;
+
     if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) {
-        vshError(ctl, "%s '%s'", _("Could not find matching device"), name);
+        vshError(ctl, _("Could not find matching device '%s'"), name);
         return false;
     }

@@ -591,6 +596,7 @@ cmdNodeDeviceReAttach(vshControl *ctl, const vshCmd *cmd)
         vshError(ctl, _("Failed to re-attach device %s"), name);
         ret = false;
     }
+
     virNodeDeviceFree(device);
     return ret;
 }
@@ -623,8 +629,9 @@ cmdNodeDeviceReset(vshControl *ctl, const vshCmd *cmd)

     if (vshCommandOptStringReq(ctl, cmd, "device", &name) < 0)
         return false;
+
     if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) {
-        vshError(ctl, "%s '%s'", _("Could not find matching device"), name);
+        vshError(ctl, _("Could not find matching device '%s'"), name);
         return false;
     }

@@ -634,6 +641,7 @@ cmdNodeDeviceReset(vshControl *ctl, const vshCmd *cmd)
         vshError(ctl, _("Failed to reset device %s"), name);
         ret = false;
     }
+
     virNodeDeviceFree(device);
     return ret;
 }
-- 
1.8.1.1


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