netdev - [PATCH iwl-next] ice: clean up freeing SR-IOV VFs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230530112315.20795-1-przemyslaw.kitszel@intel.com>
Date: Tue, 30 May 2023 13:23:15 +0200
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: intel-wired-lan-bounces@...osl.org
Cc: netdev@...r.kernel.org,
	Anirudh Venkataramanan <anirudh.venkataramanan@...el.com>,
	Sudheer Mogilappagari <sudheer.mogilappagari@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Subject: [PATCH iwl-next] ice: clean up freeing SR-IOV VFs

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>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...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