sata_via: fix resource-managed iomap conversion

[powerpc.git] / fs / cramfs / inode.c

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index ad96b69..facd0c8 100644 (file)
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -27,8 +27,8 @@
 
 #include <asm/uaccess.h>
 
-static struct super_operations cramfs_ops;
-static struct inode_operations cramfs_dir_inode_operations;
+static const struct super_operations cramfs_ops;
+static const struct inode_operations cramfs_dir_inode_operations;
 static const struct file_operations cramfs_directory_operations;
 static const struct address_space_operations cramfs_aops;
 
@@ -338,7 +338,7 @@ static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf)
  */
 static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-       struct inode *inode = filp->f_dentry->d_inode;
+       struct inode *inode = filp->f_path.dentry->d_inode;
        struct super_block *sb = inode->i_sb;
        char *buf;
        unsigned int offset;
@@ -481,6 +481,8 @@ static int cramfs_readpage(struct file *file, struct page * page)
                pgdata = kmap(page);
                if (compr_len == 0)
                        ; /* hole */
+               else if (compr_len > (PAGE_CACHE_SIZE << 1))
+                       printk(KERN_ERR "cramfs: bad compressed blocksize %u\n", compr_len);
                else {
                        mutex_lock(&read_mutex);
                        bytes_filled = cramfs_uncompress_block(pgdata,
@@ -516,11 +518,11 @@ static const struct file_operations cramfs_directory_operations = {
        .readdir        = cramfs_readdir,
 };
 
-static struct inode_operations cramfs_dir_inode_operations = {
+static const struct inode_operations cramfs_dir_inode_operations = {
        .lookup         = cramfs_lookup,
 };
 
-static struct super_operations cramfs_ops = {
+static const struct super_operations cramfs_ops = {
        .put_super      = cramfs_put_super,
        .remount_fs     = cramfs_remount,
        .statfs         = cramfs_statfs,
@@ -543,8 +545,15 @@ static struct file_system_type cramfs_fs_type = {
 
 static int __init init_cramfs_fs(void)
 {
-       cramfs_uncompress_init();
-       return register_filesystem(&cramfs_fs_type);
+       int rv;
+
+       rv = cramfs_uncompress_init();
+       if (rv < 0)
+               return rv;
+       rv = register_filesystem(&cramfs_fs_type);
+       if (rv < 0)
+               cramfs_uncompress_exit();
+       return rv;
 }
 
 static void __exit exit_cramfs_fs(void)