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authorSagi Grimberg <sagi@grimberg.me>2018-11-14 10:17:01 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-08 13:05:06 +0100
commit66739379d5c8be23fb67b77c80b7c02e9aa3a9f0 (patch)
tree9316ca9fe26edab679aeb908b48e91ac729848e3 /drivers/infiniband/ulp/iser
parentad3af650aabd89b8562d9807cc1260b732c1cf67 (diff)
iser: set sector for ambiguous mr status errors
commit 24c3456c8d5ee6fc1933ca40f7b4406130682668 upstream. 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> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/ulp/iser')
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index bc6f5bb6c524..d46424d4b71e 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -1110,7 +1110,9 @@ 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) {
@@ -1138,9 +1140,6 @@ 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)