netdev - [PATCH net-next 3/6] ice: clean up freeing SR-IOV VFs

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Message-Id: <20230622183601.2406499-4-anthony.l.nguyen@intel.com>
Date: Thu, 22 Jun 2023 11:35:58 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	netdev@...r.kernel.org
Cc: Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	anthony.l.nguyen@...el.com,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
	Simon Horman <simon.horman@...igine.com>,
	Rafal Romanowski <rafal.romanowski@...el.com>
Subject: [PATCH net-next 3/6] ice: clean up freeing SR-IOV VFs

From: Przemek Kitszel <przemyslaw.kitszel@...el.com>

The check for existing VFs was redundant since very
inception of SR-IOV sysfs interface in the kernel,
see commit 1789382a72a5 ("PCI: SRIOV control and status via sysfs").

Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Reviewed-by: Simon Horman <simon.horman@...igine.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_sriov.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c
index 2ea6d24977a6..1f66914c7a20 100644
--- a/drivers/net/ethernet/intel/ice/ice_sriov.c
+++ b/drivers/net/ethernet/intel/ice/ice_sriov.c
@@ -905,14 +905,13 @@ static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
  */
 static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
 {
-	int pre_existing_vfs = pci_num_vf(pf->pdev);
 	struct device *dev = ice_pf_to_dev(pf);
 	int err;
 
-	if (pre_existing_vfs && pre_existing_vfs != num_vfs)
+	if (!num_vfs) {
 		ice_free_vfs(pf);
-	else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
 		return 0;
+	}
 
 	if (num_vfs > pf->vfs.num_supported) {
 		dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n",
-- 
2.38.1