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authorJonathan Lemon <jonathan.lemon@gmail.com>2021-01-06 14:18:30 -0800
committerJakub Kicinski <kuba@kernel.org>2021-01-07 16:06:37 -0800
commitd6adf1b103bfe264a494c770f27fe985ab67202c (patch)
treeb866eb1b4d3f006ab84c44565f0b7e7bd0df0786
parent424f481f06dc7f1528447cc3224f5fd3c5e11f65 (diff)
skbuff: simplify sock_zerocopy_put
All 'struct ubuf_info' users should have a callback defined as of commit 0a4a060bb204 ("sock: fix zerocopy_success regression with msg_zerocopy"). Remove the dead code path to consume_skb(), which makes assumptions about how the structure was allocated. Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--net/core/skbuff.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f62cae3f75d8..d88963f47f7d 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1245,12 +1245,8 @@ EXPORT_SYMBOL_GPL(sock_zerocopy_callback);
void sock_zerocopy_put(struct ubuf_info *uarg)
{
- if (uarg && refcount_dec_and_test(&uarg->refcnt)) {
- if (uarg->callback)
- uarg->callback(uarg, uarg->zerocopy);
- else
- consume_skb(skb_from_uarg(uarg));
- }
+ if (uarg && refcount_dec_and_test(&uarg->refcnt))
+ uarg->callback(uarg, uarg->zerocopy);
}
EXPORT_SYMBOL_GPL(sock_zerocopy_put);