[dpdk-dev] [PATCH v2 1/2] net/mlx5: fix multiple free issue when attr ctx is NULL
Raslan Darawsheh
rasland at mellanox.com
Mon May 7 17:10:32 CEST 2018
When attr_ctx is NULL it will attempt to free the list of devices twice.
Avoid double freeing the list by directly going to error handling.
Fixes: 771fa900 ("mlx5: introduce new driver for Mellanox ConnectX-4 adapters")
Cc: stable at dpdk.org
Signed-off-by: Raslan Darawsheh <rasland at mellanox.com>
---
v2 changes:
Better handle for switch statement.
Reword the commit log.
---
---
drivers/net/mlx5/mlx5.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 5190b9f..3831e3d 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -690,18 +690,18 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
break;
}
if (attr_ctx == NULL) {
- mlx5_glue->free_device_list(list);
switch (err) {
case 0:
DRV_LOG(ERR,
"cannot access device, is mlx5_ib loaded?");
err = ENODEV;
- goto error;
+ break;
case EINVAL:
DRV_LOG(ERR,
"cannot use device, are drivers up to date?");
- goto error;
+ break;
}
+ goto error;
}
ibv_dev = list[i];
DRV_LOG(DEBUG, "device opened");
--
2.7.4
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