linux-kernel - [PATCH] scsi: sr: Return correct event when media event code is 3

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Message-Id: <20210726114913.6760-1-limanyi@uniontech.com>
Date:   Mon, 26 Jul 2021 19:49:13 +0800
From:   Li Manyi <limanyi@...ontech.com>
To:     axboe@...nel.dk, jejb@...ux.ibm.com, martin.petersen@...cle.com
Cc:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        Li Manyi <limanyi@...ontech.com>
Subject: [PATCH] scsi: sr: Return correct event when media event code is 3

the description for media event code 0: NoChg
Media status is unchanged.

the description for media event code 1: EjectRequest
The Drive has received a request from the user (usually through a
mechanical switch on the Drive) to eject the specified slot or media.

the description for media event code 2: NewMedia
The specified slot (or the Drive) has received new media, and is
ready to access it.

the description for media event code 3: MediaRemoval
The media has been removed from the specified slot, and the
Drive is unable to access the media without user intervention.
This applies to media changers only.

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

Signed-off-by: Li Manyi <limanyi@...ontech.com>
---
 drivers/scsi/sr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
 }

-- 
2.20.1