Re: [PATCH 2/6] vz: get additional error information from job correctly

Mikhail Feoktistov <mfeoktistov@xxxxxxxxxxxxx> · Fri, 12 Aug 2016 17:08:32 +0300

On 10.08.2016 20:44, Maxim Nestratov wrote:
First, make function logPrlEventErrorHelper be void and only
print information (if any) from an event.
Second, don't rewrite original error with any errors we get
during parsing event info.
Third, ignore PRL_ERR_NO_DATA at all.

Signed-off-by: Maxim Nestratov <mnestratov@xxxxxxxxxxxxx>
---
  src/vz/vz_sdk.c | 32 ++++++++++++++------------------
  1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/src/vz/vz_sdk.c b/src/vz/vz_sdk.c
index f81b320..45cac65 100644
--- a/src/vz/vz_sdk.c
+++ b/src/vz/vz_sdk.c
@@ -105,19 +105,12 @@ logPrlErrorHelper(PRL_RESULT err, const char *filename,
          }                                          \
      } while (0)
  
-static PRL_RESULT
+static void
  logPrlEventErrorHelper(PRL_HANDLE event, const char *filename,
                         const char *funcname, size_t linenr)
  {
-    PRL_RESULT ret, retCode;
      char *msg1 = NULL, *msg2 = NULL;
      PRL_UINT32 len = 0;
-    int err = -1;
-
-    if ((ret = PrlEvent_GetErrCode(event, &retCode))) {
-        logPrlError(ret);
-        return ret;
-    }
  
      PrlEvent_GetErrString(event, PRL_TRUE, PRL_FALSE, NULL, &len);
  
@@ -136,13 +129,9 @@ logPrlEventErrorHelper(PRL_HANDLE event, const char *filename,
      virReportErrorHelper(VIR_FROM_THIS, VIR_ERR_INTERNAL_ERROR,
                           filename, funcname, linenr,
                           _("%s %s"), msg1, msg2);
-    err = 0;
-
   cleanup:
      VIR_FREE(msg1);
      VIR_FREE(msg2);
-
-    return err;
  }
  
  static PRL_RESULT
@@ -152,12 +141,12 @@ getJobResultHelper(PRL_HANDLE job, unsigned int timeout, PRL_HANDLE *result,
  {
      PRL_RESULT ret, retCode;
  
-    if ((ret = PrlJob_Wait(job, timeout))) {
+    if (PRL_FAILED(ret = PrlJob_Wait(job, timeout))) {
          logPrlErrorHelper(ret, filename, funcname, linenr);
          goto cleanup;
      }
  
-    if ((ret = PrlJob_GetRetCode(job, &retCode))) {
+    if (PRL_FAILED(ret = PrlJob_GetRetCode(job, &retCode))) {
          logPrlErrorHelper(ret, filename, funcname, linenr);
          goto cleanup;
      }
@@ -165,17 +154,24 @@ getJobResultHelper(PRL_HANDLE job, unsigned int timeout, PRL_HANDLE *result,
      if (retCode) {
          PRL_HANDLE err_handle;
  
+        ret = retCode;
+
I think we don't need to store retCode to ret
          /* Sometimes it's possible to get additional error info. */
-        if ((ret = PrlJob_GetError(job, &err_handle))) {
+        if (PRL_FAILED(ret = PrlJob_GetError(job, &err_handle))) {
              logPrlErrorHelper(ret, filename, funcname, linenr);
              goto cleanup;
          }
  
-        if (logPrlEventErrorHelper(err_handle, filename, funcname, linenr))
-            logPrlErrorHelper(retCode, filename, funcname, linenr);
+        if (PRL_FAILED(retCode = PrlEvent_GetErrCode(err_handle, &retCode))) {
+            logPrlErrorHelper(ret, filename, funcname, linenr);
+            if (PRL_ERR_NO_DATA != retCode)
+                logPrlError(retCode);
+            goto cleanup;
+        }
+
+        logPrlEventErrorHelper(err_handle, filename, funcname, linenr);
  
          PrlHandle_Free(err_handle);
-        ret = retCode;
      } else {
          ret = PrlJob_GetResult(job, result);
          if (PRL_FAILED(ret)) {

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