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authorChuck Lever <chuck.lever@oracle.com>2023-03-07 17:14:46 +0300
committerChuck Lever <chuck.lever@oracle.com>2023-04-26 16:05:01 +0300
commitae0d77708aae219a9264a74188d5c1b1a5754da6 (patch)
tree573da9a2412590a6906d9785434823a7a373f339 /net
parent0f5162480bd25bd97b91c9153db7afbd89698804 (diff)
downloadlinux-ae0d77708aae219a9264a74188d5c1b1a5754da6.tar.xz
SUNRPC: Ensure server-side sockets have a sock->file
The TLS handshake upcall mechanism requires a non-NULL sock->file on the socket it hands to user space. svc_sock_free() already releases sock->file properly if one exists. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/svcsock.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 03a4f5615086..302a14dd7882 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1293,26 +1293,37 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
struct socket *sock,
int flags)
{
+ struct file *filp = NULL;
struct svc_sock *svsk;
struct sock *inet;
int pmap_register = !(flags & SVC_SOCK_ANONYMOUS);
- int err = 0;
svsk = kzalloc(sizeof(*svsk), GFP_KERNEL);
if (!svsk)
return ERR_PTR(-ENOMEM);
+ if (!sock->file) {
+ filp = sock_alloc_file(sock, O_NONBLOCK, NULL);
+ if (IS_ERR(filp)) {
+ kfree(svsk);
+ return ERR_CAST(filp);
+ }
+ }
+
inet = sock->sk;
- /* Register socket with portmapper */
- if (pmap_register)
+ if (pmap_register) {
+ int err;
+
err = svc_register(serv, sock_net(sock->sk), inet->sk_family,
inet->sk_protocol,
ntohs(inet_sk(inet)->inet_sport));
-
- if (err < 0) {
- kfree(svsk);
- return ERR_PTR(err);
+ if (err < 0) {
+ if (filp)
+ fput(filp);
+ kfree(svsk);
+ return ERR_PTR(err);
+ }
}
svsk->sk_sock = sock;