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authorEric Dumazet <edumazet@google.com>2016-10-28 22:40:24 +0200
committerDavid S. Miller <davem@davemloft.net>2016-10-31 20:25:55 +0100
commite551c32d57c88923f99f8f010e89ca7ed0735e83 (patch)
treed9bf9bc1978e78b74c4df3f2e6cfdead536c1b33 /net
parentdctcp: avoid bogus doubling of cwnd after loss (diff)
downloadlinux-e551c32d57c88923f99f8f010e89ca7ed0735e83.tar.xz
linux-e551c32d57c88923f99f8f010e89ca7ed0735e83.zip
net: clear sk_err_soft in sk_clone_lock()
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>
Diffstat (limited to 'net')
-rw-r--r--net/core/sock.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index c73e28fc9c2a..df171acfe232 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1543,6 +1543,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
RCU_INIT_POINTER(newsk->sk_reuseport_cb, NULL);
newsk->sk_err = 0;
+ newsk->sk_err_soft = 0;
newsk->sk_priority = 0;
newsk->sk_incoming_cpu = raw_smp_processor_id();
atomic64_set(&newsk->sk_cookie, 0);