tcp: ulp: avoid module refcnt leak in tcp_set_ulp
authorSabrina Dubroca <sd@queasysnail.net>
Mon, 14 Aug 2017 16:04:24 +0000 (18:04 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 15 Aug 2017 05:17:05 +0000 (22:17 -0700)
commit539a06baedd06127389b254f6b9f016ca072da13
tree0ad4648c157cf03a6f00c4a55c159a1a766eb972
parentbae514a688881bb8ea15e836cad6df95e4b94190
tcp: ulp: avoid module refcnt leak in tcp_set_ulp

__tcp_ulp_find_autoload returns tcp_ulp_ops after taking a reference on
the module. Then, if ->init fails, tcp_set_ulp propagates the error but
nothing releases that reference.

Fixes: 734942cc4ea6 ("tcp: ULP infrastructure")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_ulp.c