X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_dev.c;h=f6e490acaef46e4527b55527e57381b636dafb00;hb=52897e7e702b96e4ff6835ead95075b20f65392b;hp=631e1749dfab7e7113f5fdfd5f9f46314f44eed9;hpb=391797f04208aec3a75efd01bfa368899b2f37db;p=dpdk.git

diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c
index 631e1749df..f6e490acae 100644
--- a/lib/librte_eal/common/eal_common_dev.c
+++ b/lib/librte_eal/common/eal_common_dev.c
@@ -76,6 +76,13 @@ static int cmp_dev_name(const struct rte_device *dev, const void *_name)
 	return strcmp(dev->name, name);
 }
 
+int __rte_experimental
+rte_dev_is_probed(const struct rte_device *dev)
+{
+	/* The field driver should be set only when the probe is successful. */
+	return dev->driver != NULL;
+}
+
 int rte_eal_dev_attach(const char *name, const char *devargs)
 {
 	struct rte_bus *bus;
@@ -212,7 +219,7 @@ local_dev_probe(const char *devargs, struct rte_device **new_dev)
 		goto err_devarg;
 	}
 
-	if (dev->driver != NULL) {
+	if (rte_dev_is_probed(dev)) {
 		RTE_LOG(ERR, EAL, "Device is already plugged\n");
 		return -EEXIST;
 	}
@@ -355,11 +362,6 @@ local_dev_remove(struct rte_device *dev)
 {
 	int ret;
 
-	if (dev->driver == NULL) {
-		RTE_LOG(ERR, EAL, "Device is already unplugged\n");
-		return -ENOENT;
-	}
-
 	if (dev->bus->unplug == NULL) {
 		RTE_LOG(ERR, EAL, "Function unplug not supported by bus (%s)\n",
 			dev->bus->name);
@@ -385,6 +387,11 @@ rte_dev_remove(struct rte_device *dev)
 	char *devargs;
 	int ret;
 
+	if (!rte_dev_is_probed(dev)) {
+		RTE_LOG(ERR, EAL, "Device is not probed\n");
+		return -ENOENT;
+	}
+
 	ret = build_devargs(dev->devargs->bus->name, dev->name, "", &devargs);
 	if (ret != 0)
 		return ret;