migration: rename qemu_file_has_error to qemu_file_get_error

Now the function returned errno, so it is better the new name.
Signed-off-by: NJuan Quintela <quintela@redhat.com>
Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>

arch_init.c

@@ -451,7 +451,7 @@ int ram_load(QEMUFile *f, void *opaque, int version_id)
 
             qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
         }
-        if (qemu_file_has_error(f)) {
+        if (qemu_file_get_error(f)) {
             return -EIO;
         }
     } while (!(flags & RAM_SAVE_FLAG_EOS));

block-migration.c

@@ -580,7 +580,7 @@ static int block_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
 
     flush_blks(f);
 
-    if (qemu_file_has_error(f)) {
+    if (qemu_file_get_error(f)) {
         blk_mig_cleanup(mon);
         return 0;
     }
@@ -608,7 +608,7 @@ static int block_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
 
         flush_blks(f);
 
-        if (qemu_file_has_error(f)) {
+        if (qemu_file_get_error(f)) {
             blk_mig_cleanup(mon);
             return 0;
         }
@@ -625,7 +625,7 @@ static int block_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
         /* report completion */
         qemu_put_be64(f, (100 << BDRV_SECTOR_BITS) | BLK_MIG_FLAG_PROGRESS);
 
-        if (qemu_file_has_error(f)) {
+        if (qemu_file_get_error(f)) {
             return 0;
         }
 
@@ -705,7 +705,7 @@ static int block_load(QEMUFile *f, void *opaque, int version_id)
             fprintf(stderr, "Unknown flags\n");
             return -EINVAL;
         }
-        if (qemu_file_has_error(f)) {
+        if (qemu_file_get_error(f)) {
             return -EIO;
         }
     } while (!(flags & BLK_MIG_FLAG_EOS));

buffered_file.c

@@ -72,7 +72,7 @@ static void buffered_flush(QEMUFileBuffered *s)
 {
     size_t offset = 0;
 
-    if (qemu_file_has_error(s->file)) {
+    if (qemu_file_get_error(s->file)) {
         DPRINTF("flush when error, bailing\n");
         return;
     }
@@ -113,7 +113,7 @@ static int buffered_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, in
 
     DPRINTF("putting %d bytes at %" PRId64 "\n", size, pos);
 
-    if (qemu_file_has_error(s->file)) {
+    if (qemu_file_get_error(s->file)) {
         DPRINTF("flush when error, bailing\n");
         return -EINVAL;
     }
@@ -172,7 +172,7 @@ static int buffered_close(void *opaque)
 
     DPRINTF("closing\n");
 
-    while (!qemu_file_has_error(s->file) && s->buffer_size) {
+    while (!qemu_file_get_error(s->file) && s->buffer_size) {
         buffered_flush(s);
         if (s->freeze_output)
             s->wait_for_unfreeze(s->opaque);
@@ -198,7 +198,7 @@ static int buffered_rate_limit(void *opaque)
 {
     QEMUFileBuffered *s = opaque;
 
-    if (qemu_file_has_error(s->file)) {
+    if (qemu_file_get_error(s->file)) {
         return -1;
     }
     if (s->freeze_output)
@@ -213,9 +213,9 @@ static int buffered_rate_limit(void *opaque)
 static int64_t buffered_set_rate_limit(void *opaque, int64_t new_rate)
 {
     QEMUFileBuffered *s = opaque;
-    if (qemu_file_has_error(s->file))
+    if (qemu_file_get_error(s->file)) {
         goto out;
-
+    }
     if (new_rate > SIZE_MAX) {
         new_rate = SIZE_MAX;
     }
@@ -237,7 +237,7 @@ static void buffered_rate_tick(void *opaque)
 {
     QEMUFileBuffered *s = opaque;
 
-    if (qemu_file_has_error(s->file)) {
+    if (qemu_file_get_error(s->file)) {
         buffered_close(s);
         return;
     }

hw/hw.h

@@ -85,7 +85,7 @@ uint64_t qemu_get_be64(QEMUFile *f);
 int qemu_file_rate_limit(QEMUFile *f);
 int64_t qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
 int64_t qemu_file_get_rate_limit(QEMUFile *f);
-int qemu_file_has_error(QEMUFile *f);
+int qemu_file_get_error(QEMUFile *f);
 void qemu_file_set_error(QEMUFile *f, int error);
 
 /* Try to send any outstanding data.  This function is useful when output is

migration.c

@@ -313,7 +313,7 @@ void migrate_fd_put_notify(void *opaque)
 
     qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
     qemu_file_put_notify(s->file);
-    if (qemu_file_has_error(s->file)) {
+    if (qemu_file_get_error(s->file)) {
         migrate_fd_error(s);
     }
 }

savevm.c

@@ -425,7 +425,7 @@ QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
     return f;
 }
 
-int qemu_file_has_error(QEMUFile *f)
+int qemu_file_get_error(QEMUFile *f)
 {
     return f->has_error;
 }
@@ -1536,7 +1536,7 @@ int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
 
         se->save_live_state(mon, f, QEMU_VM_SECTION_START, se->opaque);
     }
-    ret = qemu_file_has_error(f);
+    ret = qemu_file_get_error(f);
     if (ret != 0) {
         qemu_savevm_state_cancel(mon, f);
     }
@@ -1576,7 +1576,7 @@ int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f)
     if (ret != 0) {
         return ret;
     }
-    ret = qemu_file_has_error(f);
+    ret = qemu_file_get_error(f);
     if (ret != 0) {
         qemu_savevm_state_cancel(mon, f);
     }
@@ -1623,7 +1623,7 @@ int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f)
 
     qemu_put_byte(f, QEMU_VM_EOF);
 
-    return qemu_file_has_error(f);
+    return qemu_file_get_error(f);
 }
 
 void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f)
@@ -1664,7 +1664,7 @@ static int qemu_savevm_state(Monitor *mon, QEMUFile *f)
 
 out:
     if (ret == 0) {
-        ret = qemu_file_has_error(f);
+        ret = qemu_file_get_error(f);
     }
 
     if (!ret && saved_vm_running)
@@ -1885,8 +1885,9 @@ out:
         g_free(le);
     }
 
-    if (qemu_file_has_error(f))
+    if (qemu_file_get_error(f)) {
         ret = -EIO;
+    }
 
     return ret;
 }