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| author |  Al Viro <viro@zeniv.linux.org.uk>
| 2020-07-11 00:12:07 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk>
| 2020-08-20 15:45:14 -0400 |
| commit | cc44c17baf7f3f833d36b2f2a1edb1cc0b6f2cc4 (patch) | |
| tree | 78e1d7c77dfd8cc862ba559d4c4c6653a5002c1b /net/ipv4/ip_output.c | |
| parent | unify generic instances of csum_partial_copy_nocheck() (diff) | |
| download | linux-cc44c17baf7f3f833d36b2f2a1edb1cc0b6f2cc4.tar.gz linux-cc44c17baf7f3f833d36b2f2a1edb1cc0b6f2cc4.tar.bz2 linux-cc44c17baf7f3f833d36b2f2a1edb1cc0b6f2cc4.zip | |
csum_partial_copy_nocheck(): drop the last argument
It's always 0. Note that we theoretically could use ~0U as well -
result will be the same modulo 0xffff, _if_ the damn thing did the
right thing for any value of initial sum; later we'll make use of
that when convenient.
However, unlike csum_and_copy_..._user(), there are instances that
did not work for arbitrary initial sums; c6x is one such.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 5bd059853376..bd79ea3e8c44 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1648,7 +1648,7 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset, { __wsum csum; - csum = csum_partial_copy_nocheck(dptr+offset, to, len, 0); + csum = csum_partial_copy_nocheck(dptr+offset, to, len); skb->csum = csum_block_add(skb->csum, csum, odd); return 0; } |