Add comments for qemu_file_get_error(), as its return value
is not very clear.
Signed-off-by: Lei Li <li...@linux.vnet.ibm.com>
---
savevm.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/savevm.c b/savevm.c
index 6362275..1522d95 100644
--- a/savevm.c
+++ b/savevm.c
@@ -566,6 +566,13 @@ QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps
*ops)
return f;
}
+/*
+ * Get last error for stream f
+ *
+ * Return negtive error value if there has been an error on previous
+ * operations, return 0 no error happened.
+ *
+ */
int qemu_file_get_error(QEMUFile *f)
{
return f->last_error;
--
1.7.7.6
