lockd: Update nsm_find() to support non-AF_INET addresses
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index b9eeafe..be8f19d 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -32,7 +32,8 @@
static DEFINE_MUTEX(nlm_host_mutex);
static void nlm_gc_hosts(void);
-static struct nsm_handle *nsm_find(const struct sockaddr_in *sin,
+static struct nsm_handle *nsm_find(const struct sockaddr *sap,
+ const size_t salen,
const char *hostname,
const size_t hostname_len,
const int create);
@@ -185,7 +186,8 @@
atomic_inc(&nsm->sm_count);
else {
host = NULL;
- nsm = nsm_find(sin, hostname, hostname_len, 1);
+ nsm = nsm_find((struct sockaddr *)sin, sizeof(*sin),
+ hostname, hostname_len, 1);
if (!nsm) {
dprintk("lockd: nlm_lookup_host failed; "
"no nsm handle\n");
@@ -417,7 +419,8 @@
struct nsm_handle *nsm;
struct nlm_host *host;
- nsm = nsm_find(sin, hostname, hostname_len, 0);
+ nsm = nsm_find((struct sockaddr *)sin, sizeof(*sin),
+ hostname, hostname_len, 0);
if (nsm == NULL) {
dprintk("lockd: never saw rebooted peer '%.*s' before\n",
hostname_len, hostname);
@@ -557,7 +560,8 @@
static LIST_HEAD(nsm_handles);
static DEFINE_SPINLOCK(nsm_lock);
-static struct nsm_handle *nsm_find(const struct sockaddr_in *sin,
+static struct nsm_handle *nsm_find(const struct sockaddr *sap,
+ const size_t salen,
const char *hostname,
const size_t hostname_len,
const int create)
@@ -565,7 +569,7 @@
struct nsm_handle *nsm = NULL;
struct nsm_handle *pos;
- if (!sin)
+ if (!sap)
return NULL;
if (hostname && memchr(hostname, '/', hostname_len) != NULL) {
@@ -585,7 +589,7 @@
if (strlen(pos->sm_name) != hostname_len
|| memcmp(pos->sm_name, hostname, hostname_len))
continue;
- } else if (!nlm_cmp_addr(nsm_addr(pos), (struct sockaddr *)sin))
+ } else if (!nlm_cmp_addr(nsm_addr(pos), sap))
continue;
atomic_inc(&pos->sm_count);
kfree(nsm);
@@ -605,8 +609,8 @@
if (nsm == NULL)
return NULL;
- memcpy(nsm_addr(nsm), sin, sizeof(*sin));
- nsm->sm_addrlen = sizeof(*sin);
+ memcpy(nsm_addr(nsm), sap, salen);
+ nsm->sm_addrlen = salen;
nsm->sm_name = (char *) (nsm + 1);
memcpy(nsm->sm_name, hostname, hostname_len);
nsm->sm_name[hostname_len] = '\0';