net: sctp: sctp_association_init: put refs in reverse order
In case we need to bail out for whatever reason during assoc
init, we call sctp_endpoint_put() and then sock_put(), however,
we've hold both refs in reverse, non-symmetric order, so first
sctp_endpoint_hold() and then sock_hold().
Reverse this, so that in an error case we have sock_put() and then
sctp_endpoint_put(). Actually shouldn't matter too much, since both
cleanup paths do the right thing, but that way, it is more consistent
with the rest of the code.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 91cfd8f..756025c 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -86,10 +86,9 @@
/* Discarding const is appropriate here. */
asoc->ep = (struct sctp_endpoint *)ep;
- sctp_endpoint_hold(asoc->ep);
-
- /* Hold the sock. */
asoc->base.sk = (struct sock *)sk;
+
+ sctp_endpoint_hold(asoc->ep);
sock_hold(asoc->base.sk);
/* Initialize the common base substructure. */
@@ -343,8 +342,8 @@
return asoc;
fail_init:
- sctp_endpoint_put(asoc->ep);
sock_put(asoc->base.sk);
+ sctp_endpoint_put(asoc->ep);
return NULL;
}