[CIFS] Register and unregister cifs_spnego_key_type on module init/exit

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index a6fbea57c4b1e6d895375ed10e8ef636995d763e..94c0f55d7669e20bb9cf92adec1af5008209c138 100644 (file)
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -43,6 +43,7 @@
 #include "cifs_debug.h"
 #include "cifs_fs_sb.h"
 #include <linux/mm.h>
+#include <linux/key-type.h>
 #define CIFS_MAGIC_NUMBER 0xFF534D42   /* the first four bytes of SMB PDUs */
 
 #ifdef CONFIG_CIFS_QUOTA
@@ -1005,12 +1006,16 @@ init_cifs(void)
        rc = register_filesystem(&cifs_fs_type);
        if (rc)
                goto out_destroy_request_bufs;
-
+#ifdef CONFIG_CIFS_UPCALL
+       rc = register_key_type(&cifs_spnego_key_type);
+       if (rc)
+               goto out_unregister_filesystem;
+#endif
        oplockThread = kthread_run(cifs_oplock_thread, NULL, "cifsoplockd");
        if (IS_ERR(oplockThread)) {
                rc = PTR_ERR(oplockThread);
                cERROR(1, ("error %d create oplock thread", rc));
-               goto out_unregister_filesystem;
+               goto out_unregister_key_type;
        }
 
        dnotifyThread = kthread_run(cifs_dnotify_thread, NULL, "cifsdnotifyd");
@@ -1024,7 +1029,11 @@ init_cifs(void)
 
  out_stop_oplock_thread:
        kthread_stop(oplockThread);
+ out_unregister_key_type:
+#ifdef CONFIG_CIFS_UPCALL
+       unregister_key_type(&cifs_spnego_key_type);
  out_unregister_filesystem:
+#endif
        unregister_filesystem(&cifs_fs_type);
  out_destroy_request_bufs:
        cifs_destroy_request_bufs();
@@ -1045,6 +1054,9 @@ exit_cifs(void)
        cFYI(0, ("exit_cifs"));
 #ifdef CONFIG_PROC_FS
        cifs_proc_clean();
+#endif
+#ifdef CONFIG_CIFS_UPCALL
+       unregister_key_type(&cifs_spnego_key_type);
 #endif
        unregister_filesystem(&cifs_fs_type);
        cifs_destroy_inodecache();