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author | Eric Dumazet <edumazet@google.com> | 2016-10-28 13:40:24 -0700 |
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committer | Jiri Slaby <jslaby@suse.cz> | 2016-11-28 22:22:33 +0100 |
commit | 11c4d5f9c7f85b14665b7f3ebfeb3cb319f5cb1e (patch) | |
tree | 1eee04bdc64005a829d147b59881cd5cb29bace5 | |
parent | 90523418b2fecb64ad68e0c5f0e3381bdb020671 (diff) | |
download | lwn-11c4d5f9c7f85b14665b7f3ebfeb3cb319f5cb1e.tar.gz lwn-11c4d5f9c7f85b14665b7f3ebfeb3cb319f5cb1e.zip |
net: clear sk_err_soft in sk_clone_lock()
[ Upstream commit e551c32d57c88923f99f8f010e89ca7ed0735e83 ]
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: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
-rw-r--r-- | net/core/sock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 516b45c82093..73c6093e136a 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1537,6 +1537,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) } newsk->sk_err = 0; + newsk->sk_err_soft = 0; newsk->sk_priority = 0; /* * Before updating sk_refcnt, we must commit prior changes to memory |