Rename target_phys_addr_t to hwaddr

[mirror_qemu.git] / savevm.c

diff --git a/savevm.c b/savevm.c
index 32fe7a20675310204fe23978529cf7c7761ab550..b080d3725881e68560706e61ac875cfbcf2d01bf 100644 (file)
--- a/savevm.c
+++ b/savevm.c
@@ -440,23 +440,11 @@ int qemu_file_get_error(QEMUFile *f)
     return f->last_error;
 }
 
-void qemu_file_set_error(QEMUFile *f, int ret)
+static void qemu_file_set_error(QEMUFile *f, int ret)
 {
     f->last_error = ret;
 }
 
-/** Sets last_error conditionally
- *
- * Sets last_error only if ret is negative _and_ no error
- * was set before.
- */
-static void qemu_file_set_if_error(QEMUFile *f, int ret)
-{
-    if (ret < 0 && !f->last_error) {
-        qemu_file_set_error(f, ret);
-    }
-}
-
 /** Flushes QEMUFile buffer
  *
  */
@@ -501,7 +489,7 @@ static void qemu_fill_buffer(QEMUFile *f)
         f->buf_size += len;
         f->buf_offset += len;
     } else if (len == 0) {
-        f->last_error = -EIO;
+        qemu_file_set_error(f, -EIO);
     } else if (len != -EAGAIN)
         qemu_file_set_error(f, len);
 }
@@ -535,22 +523,26 @@ int qemu_fclose(QEMUFile *f)
     return ret;
 }
 
-void qemu_file_put_notify(QEMUFile *f)
+int qemu_file_put_notify(QEMUFile *f)
 {
-    f->put_buffer(f->opaque, NULL, 0, 0);
+    return f->put_buffer(f->opaque, NULL, 0, 0);
 }
 
 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
 {
     int l;
 
-    if (!f->last_error && f->is_write == 0 && f->buf_index > 0) {
+    if (f->last_error) {
+        return;
+    }
+
+    if (f->is_write == 0 && f->buf_index > 0) {
         fprintf(stderr,
                 "Attempted to write to buffer while read buffer is not empty\n");
         abort();
     }
 
-    while (!f->last_error && size > 0) {
+    while (size > 0) {
         l = IO_BUF_SIZE - f->buf_index;
         if (l > size)
             l = size;
@@ -561,14 +553,21 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
         size -= l;
         if (f->buf_index >= IO_BUF_SIZE) {
             int ret = qemu_fflush(f);
-            qemu_file_set_if_error(f, ret);
+            if (ret < 0) {
+                qemu_file_set_error(f, ret);
+                break;
+            }
         }
     }
 }
 
 void qemu_put_byte(QEMUFile *f, int v)
 {
-    if (!f->last_error && f->is_write == 0 && f->buf_index > 0) {
+    if (f->last_error) {
+        return;
+    }
+
+    if (f->is_write == 0 && f->buf_index > 0) {
         fprintf(stderr,
                 "Attempted to write to buffer while read buffer is not empty\n");
         abort();
@@ -578,7 +577,9 @@ void qemu_put_byte(QEMUFile *f, int v)
     f->is_write = 1;
     if (f->buf_index >= IO_BUF_SIZE) {
         int ret = qemu_fflush(f);
-        qemu_file_set_if_error(f, ret);
+        if (ret < 0) {
+            qemu_file_set_error(f, ret);
+        }
     }
 }