diff options
-rw-r--r-- | fs/befs/linuxvfs.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index b28a20e61b80..403fe661c144 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c | |||
@@ -35,7 +35,7 @@ static int befs_get_block(struct inode *, sector_t, struct buffer_head *, int); | |||
35 | static int befs_readpage(struct file *file, struct page *page); | 35 | static int befs_readpage(struct file *file, struct page *page); |
36 | static sector_t befs_bmap(struct address_space *mapping, sector_t block); | 36 | static sector_t befs_bmap(struct address_space *mapping, sector_t block); |
37 | static struct dentry *befs_lookup(struct inode *, struct dentry *, struct nameidata *); | 37 | static struct dentry *befs_lookup(struct inode *, struct dentry *, struct nameidata *); |
38 | static void befs_read_inode(struct inode *ino); | 38 | static struct inode *befs_iget(struct super_block *, unsigned long); |
39 | static struct inode *befs_alloc_inode(struct super_block *sb); | 39 | static struct inode *befs_alloc_inode(struct super_block *sb); |
40 | static void befs_destroy_inode(struct inode *inode); | 40 | static void befs_destroy_inode(struct inode *inode); |
41 | static int befs_init_inodecache(void); | 41 | static int befs_init_inodecache(void); |
@@ -52,7 +52,6 @@ static int befs_statfs(struct dentry *, struct kstatfs *); | |||
52 | static int parse_options(char *, befs_mount_options *); | 52 | static int parse_options(char *, befs_mount_options *); |
53 | 53 | ||
54 | static const struct super_operations befs_sops = { | 54 | static const struct super_operations befs_sops = { |
55 | .read_inode = befs_read_inode, /* initialize & read inode */ | ||
56 | .alloc_inode = befs_alloc_inode, /* allocate a new inode */ | 55 | .alloc_inode = befs_alloc_inode, /* allocate a new inode */ |
57 | .destroy_inode = befs_destroy_inode, /* deallocate an inode */ | 56 | .destroy_inode = befs_destroy_inode, /* deallocate an inode */ |
58 | .put_super = befs_put_super, /* uninit super */ | 57 | .put_super = befs_put_super, /* uninit super */ |
@@ -198,9 +197,9 @@ befs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) | |||
198 | return ERR_PTR(-ENODATA); | 197 | return ERR_PTR(-ENODATA); |
199 | } | 198 | } |
200 | 199 | ||
201 | inode = iget(dir->i_sb, (ino_t) offset); | 200 | inode = befs_iget(dir->i_sb, (ino_t) offset); |
202 | if (!inode) | 201 | if (IS_ERR(inode)) |
203 | return ERR_PTR(-EACCES); | 202 | return ERR_CAST(inode); |
204 | 203 | ||
205 | d_add(dentry, inode); | 204 | d_add(dentry, inode); |
206 | 205 | ||
@@ -296,17 +295,23 @@ static void init_once(struct kmem_cache *cachep, void *foo) | |||
296 | inode_init_once(&bi->vfs_inode); | 295 | inode_init_once(&bi->vfs_inode); |
297 | } | 296 | } |
298 | 297 | ||
299 | static void | 298 | static struct inode *befs_iget(struct super_block *sb, unsigned long ino) |
300 | befs_read_inode(struct inode *inode) | ||
301 | { | 299 | { |
302 | struct buffer_head *bh = NULL; | 300 | struct buffer_head *bh = NULL; |
303 | befs_inode *raw_inode = NULL; | 301 | befs_inode *raw_inode = NULL; |
304 | 302 | ||
305 | struct super_block *sb = inode->i_sb; | ||
306 | befs_sb_info *befs_sb = BEFS_SB(sb); | 303 | befs_sb_info *befs_sb = BEFS_SB(sb); |
307 | befs_inode_info *befs_ino = NULL; | 304 | befs_inode_info *befs_ino = NULL; |
305 | struct inode *inode; | ||
306 | long ret = -EIO; | ||
308 | 307 | ||
309 | befs_debug(sb, "---> befs_read_inode() " "inode = %lu", inode->i_ino); | 308 | befs_debug(sb, "---> befs_read_inode() " "inode = %lu", ino); |
309 | |||
310 | inode = iget_locked(sb, ino); | ||
311 | if (IS_ERR(inode)) | ||
312 | return inode; | ||
313 | if (!(inode->i_state & I_NEW)) | ||
314 | return inode; | ||
310 | 315 | ||
311 | befs_ino = BEFS_I(inode); | 316 | befs_ino = BEFS_I(inode); |
312 | 317 | ||
@@ -402,15 +407,16 @@ befs_read_inode(struct inode *inode) | |||
402 | 407 | ||
403 | brelse(bh); | 408 | brelse(bh); |
404 | befs_debug(sb, "<--- befs_read_inode()"); | 409 | befs_debug(sb, "<--- befs_read_inode()"); |
405 | return; | 410 | unlock_new_inode(inode); |
411 | return inode; | ||
406 | 412 | ||
407 | unacquire_bh: | 413 | unacquire_bh: |
408 | brelse(bh); | 414 | brelse(bh); |
409 | 415 | ||
410 | unacquire_none: | 416 | unacquire_none: |
411 | make_bad_inode(inode); | 417 | iget_failed(inode); |
412 | befs_debug(sb, "<--- befs_read_inode() - Bad inode"); | 418 | befs_debug(sb, "<--- befs_read_inode() - Bad inode"); |
413 | return; | 419 | return ERR_PTR(ret); |
414 | } | 420 | } |
415 | 421 | ||
416 | /* Initialize the inode cache. Called at fs setup. | 422 | /* Initialize the inode cache. Called at fs setup. |
@@ -752,6 +758,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent) | |||
752 | befs_sb_info *befs_sb; | 758 | befs_sb_info *befs_sb; |
753 | befs_super_block *disk_sb; | 759 | befs_super_block *disk_sb; |
754 | struct inode *root; | 760 | struct inode *root; |
761 | long ret = -EINVAL; | ||
755 | 762 | ||
756 | const unsigned long sb_block = 0; | 763 | const unsigned long sb_block = 0; |
757 | const off_t x86_sb_off = 512; | 764 | const off_t x86_sb_off = 512; |
@@ -833,7 +840,11 @@ befs_fill_super(struct super_block *sb, void *data, int silent) | |||
833 | /* Set real blocksize of fs */ | 840 | /* Set real blocksize of fs */ |
834 | sb_set_blocksize(sb, (ulong) befs_sb->block_size); | 841 | sb_set_blocksize(sb, (ulong) befs_sb->block_size); |
835 | sb->s_op = (struct super_operations *) &befs_sops; | 842 | sb->s_op = (struct super_operations *) &befs_sops; |
836 | root = iget(sb, iaddr2blockno(sb, &(befs_sb->root_dir))); | 843 | root = befs_iget(sb, iaddr2blockno(sb, &(befs_sb->root_dir))); |
844 | if (IS_ERR(root)) { | ||
845 | ret = PTR_ERR(root); | ||
846 | goto unacquire_priv_sbp; | ||
847 | } | ||
837 | sb->s_root = d_alloc_root(root); | 848 | sb->s_root = d_alloc_root(root); |
838 | if (!sb->s_root) { | 849 | if (!sb->s_root) { |
839 | iput(root); | 850 | iput(root); |
@@ -868,7 +879,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent) | |||
868 | 879 | ||
869 | unacquire_none: | 880 | unacquire_none: |
870 | sb->s_fs_info = NULL; | 881 | sb->s_fs_info = NULL; |
871 | return -EINVAL; | 882 | return ret; |
872 | } | 883 | } |
873 | 884 | ||
874 | static int | 885 | static int |