Hugh Dickins 19904d03db net: fix rc7's __skb_datagram_iter()
[ Upstream commit f153831097b4435f963e385304cc0f1acba1c657 ]

X would not start in my old 32-bit partition (and the "n"-handling looks
just as wrong on 64-bit, but for whatever reason did not show up there):
"n" must be accumulated over all pages before it's added to "offset" and
compared with "copy", immediately after the skb_frag_foreach_page() loop.

Fixes: d2d30a376d9c ("net: allow skb_datagram_iter to be called from any context")
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Link: https://patch.msgid.link/fef352e8-b89a-da51-f8ce-04bc39ee6481@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-18 13:07:37 +02:00
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