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migration/rdma: Don't flag an error when we've been told about one

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If the other side tells us there's been an error and we fail
the migration, we don't need to signal that failure to the other
side because it already knew.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael R. Hines <michael@hinespot.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2016-09-23 20:14:04 +01:00 • committed by Juan Quintela
parent ccb783c312
commit cd5ea07064
1 changed files with 5 additions and 1 deletions
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6
migration/rdma.c
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@ -350,6 +350,7 @@ typedef struct RDMAContext {
*/
int error_state;
int error_reported;
int received_error;
/*
* Description of ram blocks used throughout the code.
@ -1676,6 +1677,9 @@ static int qemu_rdma_exchange_get_response(RDMAContext *rdma,
", but got: %s (%d), length: %d",
control_desc[expecting], expecting,
control_desc[head->type], head->type, head->len);
if (head->type == RDMA_CONTROL_ERROR) {
rdma->received_error = true;
}
return -EIO;
}
if (head->len > RDMA_CONTROL_MAX_BUFFER - sizeof(*head)) {
@ -2202,7 +2206,7 @@ static void qemu_rdma_cleanup(RDMAContext *rdma)
int ret, idx;
if (rdma->cm_id && rdma->connected) {
if (rdma->error_state) {
if (rdma->error_state && !rdma->received_error) {
RDMAControlHeader head = { .len = 0,
.type = RDMA_CONTROL_ERROR,
.repeat = 1,