qlcnic: Fix memory leak.

o In case QLC_83XX_MBX_CMD_NO_WAIT command type the calling
  function does not free the memory as it does not wait for
  response. So free it when get a response from adapter after
  sending the command.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 0638c18..6afe9c1 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -1370,7 +1370,7 @@ static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter,
 
        rsp = qlcnic_sriov_alloc_bc_trans(&trans);
        if (rsp)
-               return rsp;
+               goto free_cmd;
 
        rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND);
        if (rsp)
@@ -1425,6 +1425,13 @@ err_out:
 
 cleanup_transaction:
        qlcnic_sriov_cleanup_transaction(trans);
+
+free_cmd:
+       if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) {
+               qlcnic_free_mbx_args(cmd);
+               kfree(cmd);
+       }
+
        return rsp;
 }