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iser: set sector for ambiguous mr status errors

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If for some reason we failed to query the mr status, we need to make sure
to provide sufficient information for an ambiguous error (guard error on
sector 0).

Fixes: 0a7a08ad6f ("IB/iser: Implement check_protection")
Cc: <stable@vger.kernel.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Sagi Grimberg 2018-11-14 10:17:01 -08:00 committed by Jason Gunthorpe
parent 4f32fb921b
commit 24c3456c8d
1 changed files with 3 additions and 4 deletions
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7
drivers/infiniband/ulp/iser/iser_verbs.c
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@ -1124,7 +1124,9 @@ u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task,
IB_MR_CHECK_SIG_STATUS, &mr_status);
if (ret) {
pr_err("ib_check_mr_status failed, ret %d\n", ret);
goto err;
/* Not a lot we can do, return ambiguous guard error */
*sector = 0;
return 0x1;
}
if (mr_status.fail_status & IB_MR_CHECK_SIG_STATUS) {
@ -1152,9 +1154,6 @@ u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task,
}
return 0;
err:
/* Not alot we can do here, return ambiguous guard error */
return 0x1;
}
void iser_err_comp(struct ib_wc *wc, const char *type)