Messages in this thread Patch in this message | | | From | Alexander Lobakin <> | Subject | [PATCH net 7/9] net: qede: fix use-after-free on recovery and AER handling | Date | Mon, 22 Jun 2020 14:14:11 +0300 |
| |
Set edev->cdev pointer to NULL after calling remove() callback to avoid using of already freed object.
Fixes: ccc67ef50b90 ("qede: Error recovery process") Signed-off-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> --- drivers/net/ethernet/qlogic/qede/qede_main.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index f6ff31e73ebe..29e285430f99 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1318,6 +1318,7 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) if (system_state == SYSTEM_POWER_OFF) return; qed_ops->common->remove(cdev); + edev->cdev = NULL; /* Since this can happen out-of-sync with other flows, * don't release the netdevice until after slowpath stop -- 2.21.0
| |