Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  SUNRPC: Fix a memory leak in rpc_create()
  fix bug - executing FDPIC ELF on NFS mount triggers BUG() at mm/nommu.c:862:/do_mmap_private()
  NFS: initialize flags field in nfs_open_context
  SUNRPC: don't call flush_dcache_page() with an invalid pointer

4 files changed, 11 insertions, 7 deletions

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index ef57a5ae5904..5d2e9d9a4e28 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -64,7 +64,11 @@ const struct file_operations nfs_file_operations = {
         .write          = do_sync_write,
         .aio_read       = nfs_file_read,
         .aio_write      = nfs_file_write,
+#ifdef CONFIG_MMU
         .mmap           = nfs_file_mmap,
+#else
+        .mmap           = generic_file_mmap,
+#endif
         .open           = nfs_file_open,
         .flush          = nfs_file_flush,
         .release        = nfs_file_release,
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index a4c7cf2bff3a..6f88d7c77ac9 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -506,6 +506,7 @@ static struct nfs_open_context *alloc_nfs_open_context(struct vfsmount *mnt, str
                 ctx->cred = get_rpccred(cred);
                 ctx->state = NULL;
                 ctx->lockowner = current->files;
+                ctx->flags = 0;
                 ctx->error = 0;
                 ctx->dir_cookie = 0;
                 atomic_set(&ctx->count, 1);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 8c6a7f1a25e9..8834d68972cb 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -261,10 +261,6 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
         };
         char servername[48];
 
-        xprt = xprt_create_transport(&xprtargs);
-        if (IS_ERR(xprt))
-                return (struct rpc_clnt *)xprt;
-
         /*
          * If the caller chooses not to specify a hostname, whip
          * up a string representation of the passed-in address.
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 995c3fdc16c2..79a55d56cc98 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -244,7 +244,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
         pgto = pages + (pgbase >> PAGE_CACHE_SHIFT);
         pgbase &= ~PAGE_CACHE_MASK;
 
-        do {
+        for (;;) {
                 copy = PAGE_CACHE_SIZE - pgbase;
                 if (copy > len)
                         copy = len;
@@ -253,6 +253,10 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
                 memcpy(vto + pgbase, p, copy);
                 kunmap_atomic(vto, KM_USER0);
 
+                len -= copy;
+                if (len == 0)
+                        break;
+
                 pgbase += copy;
                 if (pgbase == PAGE_CACHE_SIZE) {
                         flush_dcache_page(*pgto);
@@ -260,8 +264,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
                         pgto++;
                 }
                 p += copy;
-
-        } while ((len -= copy) != 0);
+        }
         flush_dcache_page(*pgto);
 }