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| author |   Bui Quang Minh <minhquangbui99@gmail.com> | 2025-05-22 11:01:15 +0700 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2025-05-27 11:46:47 +0200 |
| commit | 28fcb4b56f929f4627f3c4c6c6dc61b292b8e55d (patch) | |
| tree | c310ddd5b25b8457bc22ac97aeaf2d76ad1de0fe /net | |
| parent | Merge branch 'vsock-sock_linger-rework' (diff) | |
| download | wireguard-linux-28fcb4b56f929f4627f3c4c6c6dc61b292b8e55d.tar.xz wireguard-linux-28fcb4b56f929f4627f3c4c6c6dc61b292b8e55d.zip | |
xsk: add missing virtual address conversion for page
In commit 7ead4405e06f ("xsk: convert xdp_copy_frags_from_zc() to use
page_pool_dev_alloc()"), when converting from netmem to page, I missed a
call to page_address() around skb_frag_page(frag) to get the virtual
address of the page. This commit uses skb_frag_address() helper to fix
the issue.
Fixes: 7ead4405e06f ("xsk: convert xdp_copy_frags_from_zc() to use page_pool_dev_alloc()")
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://patch.msgid.link/20250522040115.5057-1-minhquangbui99@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/xdp.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/core/xdp.c b/net/core/xdp.c index e6f22ba61c1e..491334b9b8be 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -709,8 +709,7 @@ static noinline bool xdp_copy_frags_from_zc(struct sk_buff *skb, return false; } - memcpy(page_address(page) + offset, - skb_frag_page(frag) + skb_frag_off(frag), + memcpy(page_address(page) + offset, skb_frag_address(frag), LARGEST_ALIGN(len)); __skb_fill_page_desc_noacc(sinfo, i, page, offset, len); |