Patchwork [04/23] ide: Make it explicit that ide_create_drive() can't fail

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Submitter Kevin Wolf
Date July 2, 2010, 4:38 p.m.
Message ID <1278088712-12302-5-git-send-email-kwolf@redhat.com>
Download mbox | patch
Permalink /patch/57698/
State New
Headers show

Comments

Kevin Wolf - July 2, 2010, 4:38 p.m.
From: Markus Armbruster <armbru@redhat.com>

All callers of ide_create_drive() ignore its value.  Currently
harmless, because it fails only when qdev_init() fails, which fails
only when ide_drive_initfn() fails, which never fails.

Brittle.  Change it to die instead of silently ignoring failure.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 hw/ide/qdev.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

Patch

diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 0f9f22e..127478b 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -84,8 +84,7 @@  IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
     dev = qdev_create(&bus->qbus, "ide-drive");
     qdev_prop_set_uint32(dev, "unit", unit);
     qdev_prop_set_drive(dev, "drive", drive);
-    if (qdev_init(dev) < 0)
-        return NULL;
+    qdev_init_nofail(dev);
     return DO_UPCAST(IDEDevice, qdev, dev);
 }