[PATCH 08/16] storage: iscsi: Convert virExec to virCommand

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Signed-off-by: Cole Robinson <crobinso@xxxxxxxxxx>
---
 src/storage/storage_backend_iscsi.c |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/storage/storage_backend_iscsi.c b/src/storage/storage_backend_iscsi.c
index ec52dbc..b489394 100644
--- a/src/storage/storage_backend_iscsi.c
+++ b/src/storage/storage_backend_iscsi.c
@@ -184,28 +184,24 @@ virStorageBackendIQNFound(const char *initiatoriqn,
     int ret = IQN_MISSING, fd = -1;
     char ebuf[64];
     FILE *fp = NULL;
-    pid_t child = 0;
     char *line = NULL, *newline = NULL, *iqn = NULL, *token = NULL,
         *saveptr = NULL;
-    const char *const prog[] = {
-        ISCSIADM, "--mode", "iface", NULL
-    };
+    virCommandPtr cmd = virCommandNewArgList(ISCSIADM,
+                                             "--mode", "iface", NULL);
+    pid_t pid = -1;
 
     if (VIR_ALLOC_N(line, LINE_SIZE) != 0) {
         ret = IQN_ERROR;
         virStorageReportError(VIR_ERR_INTERNAL_ERROR,
                               _("Could not allocate memory for output of '%s'"),
-                              prog[0]);
+                              ISCSIADM);
         goto out;
     }
 
     memset(line, 0, LINE_SIZE);
 
-    if (virExec(prog, NULL, NULL, &child, -1, &fd, NULL, VIR_EXEC_NONE) < 0) {
-        virStorageReportError(VIR_ERR_INTERNAL_ERROR,
-                              _("Failed to run '%s' when looking for existing interface with IQN '%s'"),
-                              prog[0], initiatoriqn);
-
+    virCommandSetOutputFD(cmd, &fd);
+    if (virCommandRunAsync(cmd, &pid) < 0) {
         ret = IQN_ERROR;
         goto out;
     }
@@ -214,7 +210,7 @@ virStorageBackendIQNFound(const char *initiatoriqn,
         virStorageReportError(VIR_ERR_INTERNAL_ERROR,
                               _("Failed to open stream for file descriptor "
                                 "when reading output from '%s': '%s'"),
-                              prog[0], virStrerror(errno, ebuf, sizeof ebuf));
+                              ISCSIADM, virStrerror(errno, ebuf, sizeof ebuf));
         ret = IQN_ERROR;
         goto out;
     }
@@ -226,7 +222,7 @@ virStorageBackendIQNFound(const char *initiatoriqn,
             virStorageReportError(VIR_ERR_INTERNAL_ERROR,
                                   _("Unexpected line > %d characters "
                                     "when parsing output of '%s'"),
-                                  LINE_SIZE, prog[0]);
+                                  LINE_SIZE, ISCSIADM);
             goto out;
         }
         *newline = '\0';
@@ -256,9 +252,13 @@ out:
         VIR_DEBUG("Could not find interface with IQN '%s'", iqn);
     }
 
+    if (pid > 0 && virCommandWait(cmd, NULL) < 0)
+        ret = IQN_ERROR;
+
     VIR_FREE(line);
     VIR_FORCE_FCLOSE(fp);
     VIR_FORCE_CLOSE(fd);
+    virCommandFree(cmd);
 
     return ret;
 }
-- 
1.7.4.4

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