From: Alexander Lobakin alobakin@marvell.com
[ Upstream commit ec6c80590bde6b5dfa4970fffa3572f1acd313ca ]
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 Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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 51bb5866a212c..26eb58e7e0765 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1247,6 +1247,7 @@ 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