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authorAlexander Lobakin <aleksander.lobakin@intel.com>2024-12-03 18:37:25 +0100
committerJakub Kicinski <kuba@kernel.org>2024-12-05 18:41:06 -0800
commit7cd1107f48e2a246c6a628c2381e1b8aafa4675a (patch)
tree62f370fc53c5971f5681117c8aa47d380642dce9 /net/core/skbuff.c
parentca5c94949facce1f67a4a9a9528a27f635ff3e78 (diff)
bpf, xdp: constify some bpf_prog * function arguments
In lots of places, bpf_prog pointer is used only for tracing or other stuff that doesn't modify the structure itself. Same for net_device. Address at least some of them and add `const` attributes there. The object code didn't change, but that may prevent unwanted data modifications and also allow more helpers to have const arguments. Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 6841e61a6bd0..a441613a1e6c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1009,7 +1009,7 @@ int skb_pp_cow_data(struct page_pool *pool, struct sk_buff **pskb,
EXPORT_SYMBOL(skb_pp_cow_data);
int skb_cow_data_for_xdp(struct page_pool *pool, struct sk_buff **pskb,
- struct bpf_prog *prog)
+ const struct bpf_prog *prog)
{
if (!prog->aux->xdp_has_frags)
return -EINVAL;