i40e: prevent memory leak in i40e_setup_macvlans

BugLink: https://bugs.launchpad.net/bugs/1862429
[ Upstream commit 27d461333459d282ffa4a2bdb6b215a59d493a8f ]

In i40e_setup_macvlans if i40e_setup_channel fails the allocated memory
for ch should be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 2004316d9d8b46f154aefa87fe72e8bb6169837e..0d01d18c6e4884dfd2b8f0375a61d0cd9720525b 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7198,6 +7198,7 @@ static int i40e_setup_macvlans(struct i40e_vsi *vsi, u16 macvlan_cnt, u16 qcnt,
                ch->num_queue_pairs = qcnt;
                if (!i40e_setup_channel(pf, vsi, ch)) {
                        ret = -EINVAL;
+                       kfree(ch);
                        goto err_free;
                }
                ch->parent_vsi = vsi;