[Bug 213759] CD tray ejected on hibernate resume

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=213759

--- Comment #7 from limanyi@uniontech.com (limanyi@uniontech.com) ---
1. modify the file /lib/udev/rules.d/60-cdrom_id.rules:
-ENV{DISK_EJECT_REQUEST}=="?*", RUN+="cdrom_id --eject-media $devnode",
GOTO="cdrom_end"
+#ENV{DISK_EJECT_REQUEST}=="?*", RUN+="cdrom_id --eject-media $devnode",
GOTO="cdrom_end"

2. systemctl restart udev.service

I find that CD tray isn`t ejected on resume. I think that the kernel should not
send 'DISK_EVENT_EJECT_REQUEST' when media event code is 3.


This patch solves this problem：
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 94c254e9012e..a6d3ac0a6cbc 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -221,7 +221,7 @@ static unsigned int sr_get_events(struct scsi_device *sdev)
        else if (med->media_event_code == 2)
                return DISK_EVENT_MEDIA_CHANGE;
        else if (med->media_event_code == 3)
-               return DISK_EVENT_EJECT_REQUEST;
+               return DISK_EVENT_MEDIA_CHANGE;
        return 0;
 }

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