NFS - fix potential NULL pointer dereference v2

[linux.git] / fs / nfs / internal.h

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index c8458b16801820a436aff461528e38f2c08ab4c7..04ae867dddba43a8267cb09771f07f057fa7ab59 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -3,6 +3,7 @@
  */
 
 #include <linux/mount.h>
+#include <linux/security.h>
 
 struct nfs_string;
 
@@ -21,7 +22,8 @@ struct nfs_clone_mount {
        struct nfs_fattr *fattr;
        char *hostname;
        char *mnt_path;
-       struct sockaddr_in *addr;
+       struct sockaddr *addr;
+       size_t addrlen;
        rpc_authflavor_t authflavor;
 };
 
@@ -41,19 +43,24 @@ struct nfs_parsed_mount_data {
        char                    *client_address;
 
        struct {
-               struct sockaddr_in      address;
+               struct sockaddr_storage address;
+               size_t                  addrlen;
                char                    *hostname;
-               unsigned int            version;
+               u32                     version;
                unsigned short          port;
-               int                     protocol;
+               unsigned short          protocol;
        } mount_server;
 
        struct {
-               struct sockaddr_in      address;
+               struct sockaddr_storage address;
+               size_t                  addrlen;
                char                    *hostname;
                char                    *export_path;
-               int                     protocol;
+               unsigned short          port;
+               unsigned short          protocol;
        } nfs_server;
+
+       struct security_mnt_opts lsm_opts;
 };
 
 /* client.c */
@@ -61,6 +68,7 @@ extern struct rpc_program nfs_program;
 
 extern void nfs_put_client(struct nfs_client *);
 extern struct nfs_client *nfs_find_client(const struct sockaddr *, u32);
+extern struct nfs_client *nfs_find_client_next(struct nfs_client *);
 extern struct nfs_server *nfs_create_server(
                                        const struct nfs_parsed_mount_data *,
                                        struct nfs_fh *);
@@ -108,13 +116,8 @@ extern void nfs_destroy_readpagecache(void);
 extern int __init nfs_init_writepagecache(void);
 extern void nfs_destroy_writepagecache(void);
 
-#ifdef CONFIG_NFS_DIRECTIO
 extern int __init nfs_init_directcache(void);
 extern void nfs_destroy_directcache(void);
-#else
-#define nfs_init_directcache() (0)
-#define nfs_destroy_directcache() do {} while(0)
-#endif
 
 /* nfs2xdr.c */
 extern int nfs_stat_to_errno(int);
@@ -139,6 +142,7 @@ extern struct rpc_procinfo nfs4_procedures[];
 extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask);
 
 /* inode.c */
+extern struct workqueue_struct *nfsiod_workqueue;
 extern struct inode *nfs_alloc_inode(struct super_block *sb);
 extern void nfs_destroy_inode(struct inode *);
 extern int nfs_write_inode(struct inode *,int);