On Thu, Oct 05, 2023 at 04:57:02PM +0300, Dan Carpenter wrote:
> The adapter->vf_mvs.l list needs to be initialized even if the list is
> empty. Otherwise it will lead to crashes.
>
> Fixes: c6bda30a06d9 ("ixgbe: Reconfigure SR-IOV Init")
Hi Dan,
I see that the patch cited above added the line you are changing.
But it also seems to me that patch was moving it from elsewhere.
Perhaps I am mistaken, but I wonder if this is a better tag.
Fixes: a1cbb15c1397 ("ixgbe: Add macvlan support for VF")
> Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
> ---
> drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
> b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
> index a703ba975205..9cfdfa8a4355 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
> @@ -28,6 +28,9 @@ static inline void ixgbe_alloc_vf_macvlans(struct
> ixgbe_adapter *adapter,
> struct vf_macvlans *mv_list;
> int num_vf_macvlans, i;
>
> + /* Initialize list of VF macvlans */
> + INIT_LIST_HEAD(&adapter->vf_mvs.l);
> +
> num_vf_macvlans = hw->mac.num_rar_entries -
> (IXGBE_MAX_PF_MACVLANS + 1 + num_vfs);
> if (!num_vf_macvlans)
> @@ -36,8 +39,6 @@ static inline void ixgbe_alloc_vf_macvlans(struct
> ixgbe_adapter *adapter,
> mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans),
> GFP_KERNEL);
> if (mv_list) {
I'm not sure it it is worth it, but perhaps more conventional error
handling could be used here:
if (!mv_list)
return;
for (i = 0; i < num_vf_macvlans; i++) {
...
> - /* Initialize list of VF macvlans */
> - INIT_LIST_HEAD(&adapter->vf_mvs.l);
> for (i = 0; i < num_vf_macvlans; i++) {
> mv_list[i].vf = -1;
> mv_list[i].free = true;
> --
> 2.39.2
>
>
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