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: 0a7a08ad6f5f ("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 --- drivers/infiniband/ulp/iser/iser_verbs.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 946b623ba5eb..ab137bafa8a8 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -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 alot 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)