Commit ef3fa8c6 authored by Ilgu Hong's avatar Ilgu Hong Committed by James Bottomley

[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: default avatarIlgu Hong <ilgu.hong@promise.com>
Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent f078727b
...@@ -247,8 +247,8 @@ static unsigned submit_stpg(struct scsi_device *sdev, struct alua_dh_data *h) ...@@ -247,8 +247,8 @@ static unsigned submit_stpg(struct scsi_device *sdev, struct alua_dh_data *h)
/* Prepare the data buffer */ /* Prepare the data buffer */
memset(h->buff, 0, stpg_len); memset(h->buff, 0, stpg_len);
h->buff[4] = TPGS_STATE_OPTIMIZED & 0x0f; h->buff[4] = TPGS_STATE_OPTIMIZED & 0x0f;
h->buff[6] = (h->group_id >> 8) & 0x0f; h->buff[6] = (h->group_id >> 8) & 0xff;
h->buff[7] = h->group_id & 0x0f; h->buff[7] = h->group_id & 0xff;
rq = get_alua_req(sdev, h->buff, stpg_len, WRITE); rq = get_alua_req(sdev, h->buff, stpg_len, WRITE);
if (!rq) if (!rq)
......
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