[PATCH v2] qed: Add cleanup in qed_slowpath_start()

[Wenwen Wang]

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 <wen...@cs.uga.edu>
---
 drivers/net/ethernet/qlogic/qed/qed_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c 
b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 829dd60..1efff7f 100644
--- 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:
-- 
2.7.4