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authorr.hering@avm.de <r.hering@avm.de>2018-01-12 15:42:06 +0100
committerDavid S. Miller <davem@davemloft.net>2018-01-15 14:21:57 -0500
commit30be8f8dba1bd2aff73e8447d59228471233a3d4 (patch)
tree752832ec446e7514fc64428f06a65fe2a2c28012 /include/net
parent95ef498d977bf44ac094778fd448b98af158a3e6 (diff)
downloadlinux-30be8f8dba1bd2aff73e8447d59228471233a3d4.tar.bz2
net/tls: Fix inverted error codes to avoid endless loop
sendfile() calls can hang endless with using Kernel TLS if a socket error occurs. Socket error codes must be inverted by Kernel TLS before returning because they are stored with positive sign. If returned non-inverted they are interpreted as number of bytes sent, causing endless looping of the splice mechanic behind sendfile(). Signed-off-by: Robert Hering <r.hering@avm.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tls.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tls.h b/include/net/tls.h
index 936cfc5cab7d..9185e53a743c 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -170,7 +170,7 @@ static inline bool tls_is_pending_open_record(struct tls_context *tls_ctx)
static inline void tls_err_abort(struct sock *sk)
{
- sk->sk_err = -EBADMSG;
+ sk->sk_err = EBADMSG;
sk->sk_error_report(sk);
}