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-rw-r--r--MAINTAINERS2
-rw-r--r--fs/squashfs/block.c2
-rw-r--r--fs/squashfs/cache.c31
-rw-r--r--fs/squashfs/decompressor.c2
-rw-r--r--fs/squashfs/decompressor.h2
-rw-r--r--fs/squashfs/dir.c2
-rw-r--r--fs/squashfs/export.c42
-rw-r--r--fs/squashfs/file.c2
-rw-r--r--fs/squashfs/fragment.c37
-rw-r--r--fs/squashfs/id.c42
-rw-r--r--fs/squashfs/inode.c2
-rw-r--r--fs/squashfs/namei.c2
-rw-r--r--fs/squashfs/squashfs.h10
-rw-r--r--fs/squashfs/squashfs_fs.h2
-rw-r--r--fs/squashfs/squashfs_fs_i.h2
-rw-r--r--fs/squashfs/squashfs_fs_sb.h2
-rw-r--r--fs/squashfs/super.c112
-rw-r--r--fs/squashfs/symlink.c2
-rw-r--r--fs/squashfs/xattr.c2
-rw-r--r--fs/squashfs/xattr.h3
-rw-r--r--fs/squashfs/xattr_id.c47
-rw-r--r--fs/squashfs/xz_wrapper.c2
-rw-r--r--fs/squashfs/zlib_wrapper.c2
23 files changed, 203 insertions, 151 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index d1a1465bec02..c4fc1daddcb6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6001,7 +6001,7 @@ F: Documentation/filesystems/spufs.txt
6001F: arch/powerpc/platforms/cell/spufs/ 6001F: arch/powerpc/platforms/cell/spufs/
6002 6002
6003SQUASHFS FILE SYSTEM 6003SQUASHFS FILE SYSTEM
6004M: Phillip Lougher <phillip@lougher.demon.co.uk> 6004M: Phillip Lougher <phillip@squashfs.org.uk>
6005L: squashfs-devel@lists.sourceforge.net (subscribers-only) 6005L: squashfs-devel@lists.sourceforge.net (subscribers-only)
6006W: http://squashfs.org.uk 6006W: http://squashfs.org.uk
6007S: Maintained 6007S: Maintained
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 8ab48bc2fa7d..ed0eb2a921f4 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -2,7 +2,7 @@
2 * Squashfs - a compressed read only filesystem for Linux 2 * Squashfs - a compressed read only filesystem for Linux
3 * 3 *
4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
5 * Phillip Lougher <phillip@lougher.demon.co.uk> 5 * Phillip Lougher <phillip@squashfs.org.uk>
6 * 6 *
7 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
diff --git a/fs/squashfs/cache.c b/fs/squashfs/cache.c
index 4b5a3fbb1f1f..f744be98cd5a 100644
--- a/fs/squashfs/cache.c
+++ b/fs/squashfs/cache.c
@@ -2,7 +2,7 @@
2 * Squashfs - a compressed read only filesystem for Linux 2 * Squashfs - a compressed read only filesystem for Linux
3 * 3 *
4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
5 * Phillip Lougher <phillip@lougher.demon.co.uk> 5 * Phillip Lougher <phillip@squashfs.org.uk>
6 * 6 *
7 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
@@ -393,19 +393,36 @@ struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *sb,
393/* 393/*
394 * Read a filesystem table (uncompressed sequence of bytes) from disk 394 * Read a filesystem table (uncompressed sequence of bytes) from disk
395 */ 395 */
396int squashfs_read_table(struct super_block *sb, void *buffer, u64 block, 396void *squashfs_read_table(struct super_block *sb, u64 block, int length)
397 int length)
398{ 397{
399 int pages = (length + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; 398 int pages = (length + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
400 int i, res; 399 int i, res;
401 void **data = kcalloc(pages, sizeof(void *), GFP_KERNEL); 400 void *table, *buffer, **data;
402 if (data == NULL) 401
403 return -ENOMEM; 402 table = buffer = kmalloc(length, GFP_KERNEL);
403 if (table == NULL)
404 return ERR_PTR(-ENOMEM);
405
406 data = kcalloc(pages, sizeof(void *), GFP_KERNEL);
407 if (data == NULL) {
408 res = -ENOMEM;
409 goto failed;
410 }
404 411
405 for (i = 0; i < pages; i++, buffer += PAGE_CACHE_SIZE) 412 for (i = 0; i < pages; i++, buffer += PAGE_CACHE_SIZE)
406 data[i] = buffer; 413 data[i] = buffer;
414
407 res = squashfs_read_data(sb, data, block, length | 415 res = squashfs_read_data(sb, data, block, length |
408 SQUASHFS_COMPRESSED_BIT_BLOCK, NULL, length, pages); 416 SQUASHFS_COMPRESSED_BIT_BLOCK, NULL, length, pages);
417
409 kfree(data); 418 kfree(data);
410 return res; 419
420 if (res < 0)
421 goto failed;
422
423 return table;
424
425failed:
426 kfree(table);
427 return ERR_PTR(res);
411} 428}
diff --git a/fs/squashfs/decompressor.c b/fs/squashfs/decompressor.c
index e921bd213738..9f1b0bb96f13 100644
--- a/fs/squashfs/decompressor.c
+++ b/fs/squashfs/decompressor.c
@@ -2,7 +2,7 @@
2 * Squashfs - a compressed read only filesystem for Linux 2 * Squashfs - a compressed read only filesystem for Linux
3 * 3 *
4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
5 * Phillip Lougher <phillip@lougher.demon.co.uk> 5 * Phillip Lougher <phillip@squashfs.org.uk>
6 * 6 *
7 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
diff --git a/fs/squashfs/decompressor.h b/fs/squashfs/decompressor.h
index 099745ad5691..8ba70cff09a6 100644
--- a/fs/squashfs/decompressor.h
+++ b/fs/squashfs/decompressor.h
@@ -4,7 +4,7 @@
4 * Squashfs - a compressed read only filesystem for Linux 4 * Squashfs - a compressed read only filesystem for Linux
5 * 5 *
6 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 6 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
7 * Phillip Lougher <phillip@lougher.demon.co.uk> 7 * Phillip Lougher <phillip@squashfs.org.uk>
8 * 8 *
9 * This program is free software; you can redistribute it and/or 9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License 10 * modify it under the terms of the GNU General Public License
diff --git a/fs/squashfs/dir.c b/fs/squashfs/dir.c
index 3f79cd1d0c19..9dfe2ce0fb70 100644
--- a/fs/squashfs/dir.c
+++ b/fs/squashfs/dir.c
@@ -2,7 +2,7 @@
2 * Squashfs - a compressed read only filesystem for Linux 2 * Squashfs - a compressed read only filesystem for Linux
3 * 3 *
4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
5 * Phillip Lougher <phillip@lougher.demon.co.uk> 5 * Phillip Lougher <phillip@squashfs.org.uk>
6 * 6 *
7 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
diff --git a/fs/squashfs/export.c b/fs/squashfs/export.c
index 7f93d5a9ee05..730c56248c9b 100644
--- a/fs/squashfs/export.c
+++ b/fs/squashfs/export.c
@@ -2,7 +2,7 @@
2 * Squashfs - a compressed read only filesystem for Linux 2 * Squashfs - a compressed read only filesystem for Linux
3 * 3 *
4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
5 * Phillip Lougher <phillip@lougher.demon.co.uk> 5 * Phillip Lougher <phillip@squashfs.org.uk>
6 * 6 *
7 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
@@ -121,30 +121,38 @@ static struct dentry *squashfs_get_parent(struct dentry *child)
121 * Read uncompressed inode lookup table indexes off disk into memory 121 * Read uncompressed inode lookup table indexes off disk into memory
122 */ 122 */
123__le64 *squashfs_read_inode_lookup_table(struct super_block *sb, 123__le64 *squashfs_read_inode_lookup_table(struct super_block *sb,
124 u64 lookup_table_start, unsigned int inodes) 124 u64 lookup_table_start, u64 next_table, unsigned int inodes)
125{ 125{
126 unsigned int length = SQUASHFS_LOOKUP_BLOCK_BYTES(inodes); 126 unsigned int length = SQUASHFS_LOOKUP_BLOCK_BYTES(inodes);
127 __le64 *inode_lookup_table; 127 __le64 *table;
128 int err;
129 128
130 TRACE("In read_inode_lookup_table, length %d\n", length); 129 TRACE("In read_inode_lookup_table, length %d\n", length);
131 130
132 /* Allocate inode lookup table indexes */ 131 /* Sanity check values */
133 inode_lookup_table = kmalloc(length, GFP_KERNEL); 132
134 if (inode_lookup_table == NULL) { 133 /* there should always be at least one inode */
135 ERROR("Failed to allocate inode lookup table\n"); 134 if (inodes == 0)