diff options
| author | Kunwu Chan <chentao@kylinos.cn> | 2023-12-12 10:40:15 +0800 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2024-01-02 11:18:32 -0800 |
| commit | 3027e7b15b02d2d37e3f82d6b8404f6d37e3b8cf (patch) | |
| tree | f6de42502486b7ce877668e010e4ef531a1ddd9a /drivers/net/ethernet/intel/ice/ice_ptp.c | |
| parent | b8ab8858190a1bba5f4b35ca37b1e4d7577b3a75 (diff) | |
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 <kunwu.chan@hotmail.com>
Suggested-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; |