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authorRoland Dreier <rdreier@cisco.com>2009-04-20 18:32:08 +0000
committerDavid S. Miller <davem@davemloft.net>2009-04-21 01:47:08 -0700
commit1a44cc3778f63dca5795708da2a2a7696da7fd61 (patch)
tree44a95e152ab8d540a54012a9484ebd02945d937a /drivers/net/mlx4
parentb1b243afac302d181d19c8024c355d9677beab49 (diff)
mlx4_en: Fix cleanup if workqueue create in mlx4_en_add() fails
If creating a workqueue fails, don't jump to the error path where that same workqueue is destroyed, since destroy_workqueue() can't handle a NULL pointer. This was spotted by the Coverity checker (CID 2617). Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4')
-rw-r--r--drivers/net/mlx4/en_main.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
index eda72dd2120..510633fd57f 100644
--- a/drivers/net/mlx4/en_main.c
+++ b/drivers/net/mlx4/en_main.c
@@ -181,7 +181,7 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mdev->workqueue = create_singlethread_workqueue("mlx4_en");
if (!mdev->workqueue) {
err = -ENOMEM;
- goto err_close_nic;
+ goto err_mr;
}
/* At this stage all non-port specific tasks are complete:
@@ -214,9 +214,8 @@ err_free_netdev:
flush_workqueue(mdev->workqueue);
/* Stop event queue before we drop down to release shared SW state */
-
-err_close_nic:
destroy_workqueue(mdev->workqueue);
+
err_mr:
mlx4_mr_free(dev, &mdev->mr);
err_uar: