[dpdk-dev] [PATCH v3] net/failsafe: fix failsafe bus uninit return value

Raslan Darawsheh rasland at mellanox.com
Tue Aug 29 11:08:08 CEST 2017


fs_bus_uninit is always returning 0 no matter what was the status
of each sub device bus_uninit value.

Fixes: a46f8d58 ("net/failsafe: add fail-safe PMD")

Signed-off-by: Raslan Darawsheh <rasland at mellanox.com>
---
 drivers/net/failsafe/failsafe_eal.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/net/failsafe/failsafe_eal.c b/drivers/net/failsafe/failsafe_eal.c
index c8f4318..aeb87a0 100644
--- a/drivers/net/failsafe/failsafe_eal.c
+++ b/drivers/net/failsafe/failsafe_eal.c
@@ -90,19 +90,20 @@ fs_bus_uninit(struct rte_eth_dev *dev)
 {
 	struct sub_device *sdev = NULL;
 	uint8_t i;
-	int ret;
+	int sdev_ret;
+	int ret = 0;
 
 	FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
-		ret = rte_eal_hotplug_remove(sdev->bus->name,
-					     sdev->dev->name);
-		if (ret) {
-			ERROR("Failed to remove requested device %s",
-			      sdev->dev->name);
+		sdev_ret = rte_eal_hotplug_remove(sdev->bus->name,
+							sdev->dev->name);
+		if (sdev_ret) {
+			ERROR("Failed to remove requested device %s (err: %d)",
+			      sdev->dev->name, sdev_ret);
 			continue;
 		}
 		sdev->state = DEV_PROBED - 1;
 	}
-	return 0;
+	return ret;
 }
 
 int
@@ -111,8 +112,6 @@ failsafe_eal_uninit(struct rte_eth_dev *dev)
 	int ret;
 
 	ret = fs_bus_uninit(dev);
-	if (ret)
-		return ret;
 	PRIV(dev)->state = DEV_PROBED - 1;
-	return 0;
+	return ret;
 }
-- 
2.7.4



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