qed: Add cleanup in qed_slowpath_start()

If qed_mcp_send_drv_version() fails, no cleanup is executed, leading to
memory leaks. To fix this issue, introduce the label 'err4' to perform the
cleanup work before returning the error.

Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Acked-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 829dd60ab9370e3a1441b2f57c23478ffe4adcec..1efff7f68ef6b62b1ed543f3ae94d9d745d1e9ec 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -1325,7 +1325,7 @@ static int qed_slowpath_start(struct qed_dev *cdev,
                                              &drv_version);
                if (rc) {
                        DP_NOTICE(cdev, "Failed sending drv version command\n");
-                       return rc;
+                       goto err4;
                }
        }
 
@@ -1333,6 +1333,8 @@ static int qed_slowpath_start(struct qed_dev *cdev,
 
        return 0;
 
+err4:
+       qed_ll2_dealloc_if(cdev);
 err3:
        qed_hw_stop(cdev);
 err2: