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net/tls: use sg_next() to walk sg entries

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Partially sent record cleanup path increments an SG entry
directly instead of using sg_next(). This should not be a
problem today, as encrypted messages should be always
allocated as arrays. But given this is a cleanup path it's
easy to miss was this ever to change. Use sg_next(), and
simplify the code.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2019-11-27 12:16:44 -08:00
committed by David S. Miller
parent 9e5ffed37d
commit c5daa6cccd
3 changed files with 5 additions and 13 deletions
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2
include/net/tls.h
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@@ -376,7 +376,7 @@ int tls_push_sg(struct sock *sk, struct tls_context *ctx,
int flags);
int tls_push_partial_record(struct sock *sk, struct tls_context *ctx,
int flags);
bool tls_free_partial_record(struct sock *sk, struct tls_context *ctx);
void tls_free_partial_record(struct sock *sk, struct tls_context *ctx);
static inline struct tls_msg *tls_msg(struct sk_buff *skb)
{