8 files changed, 26 insertions, 10 deletions

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 9a11aa39e2e4..057aff745506 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -26,6 +26,7 @@
 #include <linux/namei.h>
 #include <linux/mount.h>
 #include <linux/hash.h>
+#include <linux/module.h>
 
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
@@ -221,6 +222,7 @@ static int expkey_show(struct seq_file *m,
 }
         
 struct cache_detail svc_expkey_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = EXPKEY_HASHMAX,
         .hash_table     = expkey_table,
         .name           = "nfsd.fh",
@@ -456,6 +458,7 @@ static int svc_export_show(struct seq_file *m,
         return 0;
 }
 struct cache_detail svc_export_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = EXPORT_HASHMAX,
         .hash_table     = export_table,
         .name           = "nfsd.export",
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 5605a26efc57..13369650cdf9 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -187,6 +187,7 @@ static int         idtoname_parse(struct cache_detail *, char *, int);
 static struct ent *idtoname_lookup(struct ent *, int);
 
 static struct cache_detail idtoname_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = ENT_HASHMAX,
         .hash_table     = idtoname_table,
         .name           = "nfs4.idtoname",
@@ -320,6 +321,7 @@ static struct ent *nametoid_lookup(struct ent *, int);
 static int         nametoid_parse(struct cache_detail *, char *, int);
 
 static struct cache_detail nametoid_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = ENT_HASHMAX,
         .hash_table     = nametoid_table,
         .name           = "nfs4.nametoid",
@@ -404,8 +406,10 @@ nfsd_idmap_init(void)
 void
 nfsd_idmap_shutdown(void)
 {
-        cache_unregister(&idtoname_cache);
-        cache_unregister(&nametoid_cache);
+        if (cache_unregister(&idtoname_cache))
+                printk(KERN_ERR "nfsd: failed to unregister idtoname cache\n");
+        if (cache_unregister(&nametoid_cache))
+                printk(KERN_ERR "nfsd: failed to unregister nametoid cache\n");
 }
 
 /*
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 6864063d1b9f..c4e3ea7cf154 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -60,6 +60,7 @@ struct cache_head {
 #define CACHE_NEW_EXPIRY 120    /* keep new things pending confirmation for 120 seconds */
 
 struct cache_detail {
+        struct module *         owner;
         int                     hash_size;
         struct cache_head **    hash_table;
         rwlock_t                hash_lock;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 5c8fe3bfc494..e3308195374e 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -250,6 +250,7 @@ out:
 }
 
 static struct cache_detail rsi_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = RSI_HASHMAX,
         .hash_table     = rsi_table,
         .name           = "auth.rpcsec.init",
@@ -436,6 +437,7 @@ out:
 }
 
 static struct cache_detail rsc_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = RSC_HASHMAX,
         .hash_table     = rsc_table,
         .name           = "auth.rpcsec.context",
@@ -1074,7 +1076,9 @@ gss_svc_init(void)
 void
 gss_svc_shutdown(void)
 {
-        cache_unregister(&rsc_cache);
-        cache_unregister(&rsi_cache);
+        if (cache_unregister(&rsc_cache))
+                printk(KERN_ERR "auth_rpcgss: failed to unregister rsc cache\n");
+        if (cache_unregister(&rsi_cache))
+                printk(KERN_ERR "auth_rpcgss: failed to unregister rsi cache\n");
         svc_auth_unregister(RPC_AUTH_GSS);
 }
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 900f5bc7e336..f509e9992767 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -177,7 +177,7 @@ void cache_register(struct cache_detail *cd)
         cd->proc_ent = proc_mkdir(cd->name, proc_net_rpc);
         if (cd->proc_ent) {
                 struct proc_dir_entry *p;
-                cd->proc_ent->owner = THIS_MODULE;
+                cd->proc_ent->owner = cd->owner;
                 cd->channel_ent = cd->content_ent = NULL;
                 
                 p = create_proc_entry("flush", S_IFREG|S_IRUSR|S_IWUSR,
@@ -185,7 +185,7 @@ void cache_register(struct cache_detail *cd)
                 cd->flush_ent =  p;
                 if (p) {
                         p->proc_fops = &cache_flush_operations;
-                        p->owner = THIS_MODULE;
+                        p->owner = cd->owner;
                         p->data = cd;
                 }
  
@@ -195,7 +195,7 @@ void cache_register(struct cache_detail *cd)
                         cd->channel_ent = p;
                         if (p) {
                                 p->proc_fops = &cache_file_operations;
-                                p->owner = THIS_MODULE;
+                                p->owner = cd->owner;
                                 p->data = cd;
                         }
                 }
@@ -205,7 +205,7 @@ void cache_register(struct cache_detail *cd)
                         cd->content_ent = p;
                         if (p) {
                                 p->proc_fops = &content_file_operations;
-                                p->owner = THIS_MODULE;
+                                p->owner = cd->owner;
                                 p->data = cd;
                         }
                 }
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 62a073495276..ed48ff022d35 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -176,8 +176,10 @@ cleanup_sunrpc(void)
 {
         unregister_rpc_pipefs();
         rpc_destroy_mempool();
-        cache_unregister(&auth_domain_cache);
-        cache_unregister(&ip_map_cache);
+        if (cache_unregister(&auth_domain_cache))
+                printk(KERN_ERR "sunrpc: failed to unregister auth_domain cache\n");
+        if (cache_unregister(&ip_map_cache))
+                printk(KERN_ERR "sunrpc: failed to unregister ip_map cache\n");
 #ifdef RPC_DEBUG
         rpc_unregister_sysctl();
 #endif
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index bde8147ef2db..dda4f0c63511 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -143,6 +143,7 @@ static void auth_domain_drop(struct cache_head *item, struct cache_detail *cd)
 
 
 struct cache_detail auth_domain_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = DN_HASHMAX,
         .hash_table     = auth_domain_table,
         .name           = "auth.domain",
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index d6baf6fdf8a9..cac2e774dd81 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -242,6 +242,7 @@ static int ip_map_show(struct seq_file *m,
         
 
 struct cache_detail ip_map_cache = {
+        .owner          = THIS_MODULE,
         .hash_size      = IP_HASHMAX,
         .hash_table     = ip_table,
         .name           = "auth.unix.ip",