aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDan Carpenter <dan.carpenter@linaro.org>2023-10-06 15:53:09 +0300
committerPaolo Abeni <pabeni@redhat.com>2023-10-10 11:31:50 +0200
commit7b5add9af567c44e12196107f0fe106e194034fd (patch)
tree6290aa64140967d0add841408ae2e89a5acc0c1c
parent1b9d8bc14de6b34e073bea852a8c25a164d1e86e (diff)
downloadlinux-7b5add9af567c44e12196107f0fe106e194034fd.tar.gz
ixgbe: fix crash with empty VF macvlan list
The adapter->vf_mvs.l list needs to be initialized even if the list is empty. Otherwise it will lead to crashes. Fixes: a1cbb15c1397 ("ixgbe: Add macvlan support for VF") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Link: https://lore.kernel.org/r/ZSADNdIw8zFx1xw2@kadam Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c5
1 files 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 29cc6098807120..ea88ac04ab9ade 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) {
- /* 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;