virsh: Remove bogus stat on log file

Let's just open the file right away and deal with errors. Moreover,
there's no reason to forbid logging to, e.g., a pipe.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

tools/virsh.c

@@ -2794,29 +2794,9 @@ vshInit(vshControl *ctl)
 void
 vshOpenLogFile(vshControl *ctl)
 {
-    struct stat st;
-
     if (ctl->logfile == NULL)
         return;
 
-    /* check log file */
-    if (stat(ctl->logfile, &st) == -1) {
-        switch (errno) {
-            case ENOENT:
-                break;
-            default:
-                vshError(ctl, "%s",
-                         _("failed to get the log file information"));
-                exit(EXIT_FAILURE);
-        }
-    } else {
-        if (!S_ISREG(st.st_mode)) {
-            vshError(ctl, "%s", _("the log path is not a file"));
-            exit(EXIT_FAILURE);
-        }
-    }
-
-    /* log file open */
     if ((ctl->log_fd = open(ctl->logfile, LOGFILE_FLAGS, FILE_MODE)) < 0) {
         vshError(ctl, "%s",
                  _("failed to open the log file. check the log file path"));