Commit 4ecc76bd authored by Eric Dumazet's avatar Eric Dumazet Committed by Ben Hutchings

net: clear sk_err_soft in sk_clone_lock()

[ Upstream commit e551c32d ]

At accept() time, it is possible the parent has a non zero
sk_err_soft, leftover from a prior error.

Make sure we do not leave this value in the child, as it
makes future getsockopt(SO_ERROR) calls quite unreliable.
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarSoheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarBen Hutchings <ben@decadent.org.uk>
parent b931800f
...@@ -1560,6 +1560,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) ...@@ -1560,6 +1560,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
} }
newsk->sk_err = 0; newsk->sk_err = 0;
newsk->sk_err_soft = 0;
newsk->sk_priority = 0; newsk->sk_priority = 0;
/* /*
* Before updating sk_refcnt, we must commit prior changes to memory * Before updating sk_refcnt, we must commit prior changes to memory
......
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