eal: suppress error log on multi-process hotplug

This is a normal case that the primary process already
owned one device while the secondary process try to
attach it, so suppress the error log here to exclude
this case.

Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>

diff --git a/lib/eal/common/hotplug_mp.c b/lib/eal/common/hotplug_mp.c
index ae6010e..bf55056 100644 (file)
--- a/lib/eal/common/hotplug_mp.c
+++ b/lib/eal/common/hotplug_mp.c
@@ -98,10 +98,9 @@ __handle_secondary_request(void *param)
        memset(&da, 0, sizeof(da));
        if (req->t == EAL_DEV_REQ_TYPE_ATTACH) {
                ret = local_dev_probe(req->devargs, &dev);
        memset(&da, 0, sizeof(da));
        if (req->t == EAL_DEV_REQ_TYPE_ATTACH) {
                ret = local_dev_probe(req->devargs, &dev);

-               if (ret != 0) {
+               if (ret != 0 && ret != -EEXIST) {

                        RTE_LOG(ERR, EAL, "Failed to hotplug add device on primary\n");
                        RTE_LOG(ERR, EAL, "Failed to hotplug add device on primary\n");

-                       if (ret != -EEXIST)
-                               goto finish;
+                       goto finish;

                }
                ret = eal_dev_hotplug_request_to_secondary(&tmp_req);
                if (ret != 0) {
                }
                ret = eal_dev_hotplug_request_to_secondary(&tmp_req);
                if (ret != 0) {