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net: openvswitch: Use struct_size()

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Use struct_size() instead of hand writing it.
This is less verbose and more robust.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/e5122b4ff878cbf3ed72653a395ad5c4da04dc1e.1697264974.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Christophe JAILLET 2023-10-14 08:34:52 +02:00 committed by Paolo Abeni
parent 53c6b86cd0
commit df3bf90fef
1 changed files with 2 additions and 5 deletions
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7
net/openvswitch/flow_table.c
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@ -220,16 +220,13 @@ static struct mask_array *tbl_mask_array_alloc(int size)
struct mask_array *new;
size = max(MASK_ARRAY_SIZE_MIN, size);
new = kzalloc(sizeof(struct mask_array) +
sizeof(struct sw_flow_mask *) * size +
new = kzalloc(struct_size(new, masks, size) +
sizeof(u64) * size, GFP_KERNEL);
if (!new)
return NULL;
new->masks_usage_zero_cntr = (u64 *)((u8 *)new +
sizeof(struct mask_array) +
sizeof(struct sw_flow_mask *) *
size);
struct_size(new, masks, size));
new->masks_usage_stats = __alloc_percpu(sizeof(struct mask_array_stats) +
sizeof(u64) * size,