[Qemu-devel] [PATCH v1 5/6] error: Implement the warn and free Error functions

[Alistair Francis]

Implement warn_report_err() and warn_reportf_err() functions which
are the same as the error_report_err() and error_reportf_err()
functions except report a warning instead of an error.

Signed-off-by: Alistair Francis <alistair.fran...@xilinx.com>
---

 include/qapi/error.h  | 11 +++++++++++
 scripts/checkpatch.pl |  1 +
 util/error.c          | 19 +++++++++++++++++++
 3 files changed, 31 insertions(+)

diff --git a/include/qapi/error.h b/include/qapi/error.h
index 7e532d00e9..af53b34410 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -267,11 +267,22 @@ void error_free(Error *err);
 void error_free_or_abort(Error **errp);
 
 /*
+ * Convenience function to warn_report() and free @err.
+ */
+void warn_report_err(Error *err);
+
+/*
  * Convenience function to error_report() and free @err.
  */
 void error_report_err(Error *err);
 
 /*
+ * Convenience function to error_prepend(), warn_report() and free @err.
+ */
+void warn_reportf_err(Error *err, const char *fmt, ...)
+    GCC_FMT_ATTR(2, 3);
+
+/*
  * Convenience function to error_prepend(), error_report() and free @err.
  */
 void error_reportf_err(Error *err, const char *fmt, ...)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 1fdd7f624a..d1e7dd92ee 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2533,6 +2533,7 @@ sub process {
                                error_setg_file_open|
                                error_set|
                                error_prepend|
+                               warn_reportf_err|
                                error_reportf_err|
                                vreport|
                                error_vreport|
diff --git a/util/error.c b/util/error.c
index 020b86b9f0..373566fb77 100644
--- a/util/error.c
+++ b/util/error.c
@@ -223,6 +223,15 @@ const char *error_get_pretty(const Error *err)
     return err->msg;
 }
 
+void warn_report_err(Error *err)
+{
+    warn_report("%s", error_get_pretty(err));
+    if (err->hint) {
+        error_printf_unless_qmp("%s", err->hint->str);
+    }
+    error_free(err);
+}
+
 void error_report_err(Error *err)
 {
     error_report("%s", error_get_pretty(err));
@@ -232,6 +241,16 @@ void error_report_err(Error *err)
     error_free(err);
 }
 
+void warn_reportf_err(Error *err, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    error_vprepend(&err, fmt, ap);
+    va_end(ap);
+    warn_report_err(err);
+}
+
 void error_reportf_err(Error *err, const char *fmt, ...)
 {
     va_list ap;
-- 
2.11.0