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authorStefan Hajnoczi <stefanha@redhat.com>2023-05-16 15:02:20 -0400
committerKevin Wolf <kwolf@redhat.com>2023-05-30 17:32:02 +0200
commit26462a700c8c5d30802c2254a35b5064762e00f0 (patch)
tree4b52a767c0859b7f919c908c0d5dad3d94201dff /hw/scsi
parent2d1962958177cb80a491e4767c41bf6d82dbbc83 (diff)
hw/qdev: introduce qdev_is_realized() helper
Add a helper function to check whether the device is realized without requiring the Big QEMU Lock. The next patch adds a second caller. The goal is to avoid spreading DeviceState field accesses throughout the code. Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20230516190238.8401-3-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/scsi')
-rw-r--r--hw/scsi/scsi-bus.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 3c20b47ad0..8857ff41f6 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -60,8 +60,7 @@ static SCSIDevice *do_scsi_device_find(SCSIBus *bus,
* the user access the device.
*/
- if (retval && !include_unrealized &&
- !qatomic_load_acquire(&retval->qdev.realized)) {
+ if (retval && !include_unrealized && !qdev_is_realized(&retval->qdev)) {
retval = NULL;
}