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IB/srp: Report receive errors correctly

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commit cd4e38542a upstream.

The IB spec does not guarantee that the opcode is available in error
completions.  Hence do not rely on it.  See also commit 948d1e889e
("IB/srp: Introduce srp_handle_qp_err()").

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bart Van Assche
2013-10-10 13:53:25 +02:00
committed by Greg Kroah-Hartman
parent 71d7bd9b86
commit c0be79254f
1 changed files with 4 additions and 5 deletions
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9
drivers/infiniband/ulp/srp/ib_srp.c
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@@ -1300,14 +1300,13 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
PFX "Recv failed with error code %d\n", res);
}
static void srp_handle_qp_err(enum ib_wc_status wc_status,
enum ib_wc_opcode wc_opcode,
static void srp_handle_qp_err(enum ib_wc_status wc_status, bool send_err,
struct srp_target_port *target)
{
if (target->connected && !target->qp_in_error) {
shost_printk(KERN_ERR, target->scsi_host,
PFX "failed %s status %d\n",
wc_opcode & IB_WC_RECV ? "receive" : "send",
send_err ? "send" : "receive",
wc_status);
}
target->qp_in_error = true;
@@ -1323,7 +1322,7 @@ static void srp_recv_completion(struct ib_cq *cq, void *target_ptr)
if (likely(wc.status == IB_WC_SUCCESS)) {
srp_handle_recv(target, &wc);
} else {
srp_handle_qp_err(wc.status, wc.opcode, target);
srp_handle_qp_err(wc.status, false, target);
}
}
}
@@ -1339,7 +1338,7 @@ static void srp_send_completion(struct ib_cq *cq, void *target_ptr)
iu = (struct srp_iu *) (uintptr_t) wc.wr_id;
list_add(&iu->list, &target->free_tx);
} else {
srp_handle_qp_err(wc.status, wc.opcode, target);
srp_handle_qp_err(wc.status, true, target);
}
}
}