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Commit f87146bb authored by Hannes Reinecke's avatar Hannes Reinecke Committed by James Bottomley
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[SCSI] sd: quiet spurious error messages in READ_CAPACITY(16) 



sd always tries to submit a READ_CAPACITY(16) CDB,
regardless whether the host actually supports it.
queuecommand() will then return DID_ABORT, which is
not qualified enough to detect the true cause here.
So better check in sd_try_rc16 first if the cdblen
is supported.

Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 457549da

drivers/scsi/sd.c

+2 −0
Original line number Diff line number Diff line
@@ -1573,6 +1573,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, 


static int sd_try_rc16_first(struct scsi_device *sdp)

{

	if (sdp->host->max_cmd_len < 16)

		return 0;

	if (sdp->scsi_level > SCSI_SPC_2)

		return 1;

	if (scsi_device_protection(sdp))