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authorLinus Torvalds <torvalds@linux-foundation.org>2023-08-24 08:23:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-08-24 08:23:13 -0700
commitb5cc3833f13ace75e26e3f7b51cd7b6da5e9cf17 (patch)
treeaa8a16262c569e85c7536e6e60edb240c2c6a902 /drivers/net/ethernet/intel/ice/ice_vf_lib.c
parent93f5de5f648d2b1ce3540a4ac71756d4a852dc23 (diff)
parent8938fc0c7e16e0868a1083deadc91b95b72ca0da (diff)
Merge tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni: "Including fixes from wifi, can and netfilter. Fixes to fixes: - nf_tables: - GC transaction race with abort path - defer gc run if previous batch is still pending Previous releases - regressions: - ipv4: fix data-races around inet->inet_id - phy: fix deadlocking in phy_error() invocation - mdio: fix C45 read/write protocol - ipvlan: fix a reference count leak warning in ipvlan_ns_exit() - ice: fix NULL pointer deref during VF reset - i40e: fix potential NULL pointer dereferencing of pf->vf in i40e_sync_vsi_filters() - tg3: use slab_build_skb() when needed - mtk_eth_soc: fix NULL pointer on hw reset Previous releases - always broken: - core: validate veth and vxcan peer ifindexes - sched: fix a qdisc modification with ambiguous command request - devlink: add missing unregister linecard notification - wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning - batman: - do not get eth header before batadv_check_management_packet - fix batadv_v_ogm_aggr_send memory leak - bonding: fix macvlan over alb bond support - mlxsw: set time stamp fields also when its type is MIRROR_UTC" * tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits) selftests: bonding: add macvlan over bond testing selftest: bond: add new topo bond_topo_2d1c.sh bonding: fix macvlan over alb bond support rtnetlink: Reject negative ifindexes in RTM_NEWLINK netfilter: nf_tables: defer gc run if previous batch is still pending netfilter: nf_tables: fix out of memory error handling netfilter: nf_tables: use correct lock to protect gc_list netfilter: nf_tables: GC transaction race with abort path netfilter: nf_tables: flush pending destroy work before netlink notifier netfilter: nf_tables: validate all pending tables ibmveth: Use dcbf rather than dcbfl i40e: fix potential NULL pointer dereferencing of pf->vf i40e_sync_vsi_filters() net/sched: fix a qdisc modification with ambiguous command request igc: Fix the typo in the PTM Control macro batman-adv: Hold rtnl lock during MTU update via netlink igb: Avoid starting unnecessary workqueues can: raw: add missing refcount for memory leak fix can: isotp: fix support for transmission of SF without flow control bnx2x: new flag for track HW resource allocation sfc: allocate a big enough SKB for loopback selftest packet ...
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_vf_lib.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_vf_lib.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.c b/drivers/net/ethernet/intel/ice/ice_vf_lib.c
index b26ce4425f45..ea3310be8354 100644
--- a/drivers/net/ethernet/intel/ice/ice_vf_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.c
@@ -186,25 +186,6 @@ int ice_check_vf_ready_for_cfg(struct ice_vf *vf)
}
/**
- * ice_check_vf_ready_for_reset - check if VF is ready to be reset
- * @vf: VF to check if it's ready to be reset
- *
- * The purpose of this function is to ensure that the VF is not in reset,
- * disabled, and is both initialized and active, thus enabling us to safely
- * initialize another reset.
- */
-int ice_check_vf_ready_for_reset(struct ice_vf *vf)
-{
- int ret;
-
- ret = ice_check_vf_ready_for_cfg(vf);
- if (!ret && !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
- ret = -EAGAIN;
-
- return ret;
-}
-
-/**
* ice_trigger_vf_reset - Reset a VF on HW
* @vf: pointer to the VF structure
* @is_vflr: true if VFLR was issued, false if not
@@ -631,11 +612,17 @@ int ice_reset_vf(struct ice_vf *vf, u32 flags)
return 0;
}
+ if (flags & ICE_VF_RESET_LOCK)
+ mutex_lock(&vf->cfg_lock);
+ else
+ lockdep_assert_held(&vf->cfg_lock);
+
if (ice_is_vf_disabled(vf)) {
vsi = ice_get_vf_vsi(vf);
if (!vsi) {
dev_dbg(dev, "VF is already removed\n");
- return -EINVAL;
+ err = -EINVAL;
+ goto out_unlock;
}
ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id);
@@ -644,14 +631,9 @@ int ice_reset_vf(struct ice_vf *vf, u32 flags)
dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n",
vf->vf_id);
- return 0;
+ goto out_unlock;
}
- if (flags & ICE_VF_RESET_LOCK)
- mutex_lock(&vf->cfg_lock);
- else
- lockdep_assert_held(&vf->cfg_lock);
-
/* Set VF disable bit state here, before triggering reset */
set_bit(ICE_VF_STATE_DIS, vf->vf_states);
ice_trigger_vf_reset(vf, flags & ICE_VF_RESET_VFLR, false);