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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:14:23 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:14:23 +0000 |
| commit | dcfb98cf8931dc6bce38eff8e1c82972e1adf484 (patch) | |
| tree | 5395e7ca0effa58c164a86740b6470cbb47fe05e /net/core | |
| parent | Adding upstream version 6.9.8. (diff) | |
| download | linux-upstream/6.9.9.tar.xz linux-upstream/6.9.9.zip | |
Adding upstream version 6.9.9.upstream/6.9.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/datagram.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index a8b625abe2..cb72923acc 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -435,15 +435,22 @@ static int __skb_datagram_iter(const struct sk_buff *skb, int offset, end = start + skb_frag_size(frag); if ((copy = end - offset) > 0) { - struct page *page = skb_frag_page(frag); - u8 *vaddr = kmap(page); + u32 p_off, p_len, copied; + struct page *p; + u8 *vaddr; if (copy > len) copy = len; - n = INDIRECT_CALL_1(cb, simple_copy_to_iter, - vaddr + skb_frag_off(frag) + offset - start, - copy, data, to); - kunmap(page); + + skb_frag_foreach_page(frag, + skb_frag_off(frag) + offset - start, + copy, p, p_off, p_len, copied) { + vaddr = kmap_local_page(p); + n = INDIRECT_CALL_1(cb, simple_copy_to_iter, + vaddr + p_off, p_len, data, to); + kunmap_local(vaddr); + } + offset += n; if (n != copy) goto short_copy; |