From 3027e7b15b02d2d37e3f82d6b8404f6d37e3b8cf Mon Sep 17 00:00:00 2001 From: Kunwu Chan Date: Tue, 12 Dec 2023 10:40:15 +0800 Subject: ice: Fix some null pointer dereference issues in ice_ptp.c devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: d938a8cca88a ("ice: Auxbus devices & driver for E822 TS") Cc: Kunwu Chan Suggested-by: Przemek Kitszel Signed-off-by: Kunwu Chan Reviewed-by: Przemek Kitszel Reviewed-by: Simon Horman Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/ice/ice_ptp.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/net/ethernet/intel/ice') diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index c4fe28017b8d..3b6605c8585e 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2863,6 +2863,8 @@ static int ice_ptp_register_auxbus_driver(struct ice_pf *pf) name = devm_kasprintf(dev, GFP_KERNEL, "ptp_aux_dev_%u_%u_clk%u", pf->pdev->bus->number, PCI_SLOT(pf->pdev->devfn), ice_get_ptp_src_clock_index(&pf->hw)); + if (!name) + return -ENOMEM; aux_driver->name = name; aux_driver->shutdown = ice_ptp_auxbus_shutdown; @@ -3109,6 +3111,8 @@ static int ice_ptp_create_auxbus_device(struct ice_pf *pf) name = devm_kasprintf(dev, GFP_KERNEL, "ptp_aux_dev_%u_%u_clk%u", pf->pdev->bus->number, PCI_SLOT(pf->pdev->devfn), ice_get_ptp_src_clock_index(&pf->hw)); + if (!name) + return -ENOMEM; aux_dev->name = name; aux_dev->id = id; -- cgit v1.2.3