lockd: Specify address family for source address

Make sure an address family is specified for source addresses passed to
nlm_lookup_host().  nlm_lookup_host() will need this when it becomes
capable of dealing with AF_INET6 addresses.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 9 insertions, 5 deletions

diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index e5dcfa57e099..22423abea281 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -220,10 +220,12 @@ struct nlm_host *nlmclnt_lookup_host(const struct sockaddr_in *sin,
                                      const char *hostname,
                                      unsigned int hostname_len)
 {
-        struct sockaddr_in ssin = {0};
+        const struct sockaddr_in source = {
+                .sin_family     = AF_UNSPEC,
+        };
 
         return nlm_lookup_host(0, sin, proto, version,
-                               hostname, hostname_len, &ssin);
+                               hostname, hostname_len, &source);
 }
 
 /*
@@ -233,12 +235,14 @@ struct nlm_host *
 nlmsvc_lookup_host(struct svc_rqst *rqstp,
                         const char *hostname, unsigned int hostname_len)
 {
-        struct sockaddr_in ssin = {0};
+        const struct sockaddr_in source = {
+                .sin_family     = AF_INET,
+                .sin_addr       = rqstp->rq_daddr.addr,
+        };
 
-        ssin.sin_addr = rqstp->rq_daddr.addr;
         return nlm_lookup_host(1, svc_addr_in(rqstp),
                                rqstp->rq_prot, rqstp->rq_vers,
-                               hostname, hostname_len, &ssin);
+                               hostname, hostname_len, &source);
 }
 
 /*