forked from Minki/linux
[SCSI] scsi dh alua: fix group id masking
The buf[i] is a byte but we are only asking 4 bits off the group_id. This patch has us take off a byte. Signed-off-by: Ilgu Hong <ilgu.hong@promise.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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@ -247,8 +247,8 @@ static unsigned submit_stpg(struct scsi_device *sdev, struct alua_dh_data *h)
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/* Prepare the data buffer */
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memset(h->buff, 0, stpg_len);
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h->buff[4] = TPGS_STATE_OPTIMIZED & 0x0f;
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h->buff[6] = (h->group_id >> 8) & 0x0f;
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h->buff[7] = h->group_id & 0x0f;
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h->buff[6] = (h->group_id >> 8) & 0xff;
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h->buff[7] = h->group_id & 0xff;
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rq = get_alua_req(sdev, h->buff, stpg_len, WRITE);
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if (!rq)
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