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Squashfs: Fix sanity check patches on big-endian systems

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le64 values should be swapped when accessing on
big-endian systems.

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
This commit is contained in:
Phillip Lougher 2011-05-29 00:38:46 +01:00
parent d7f2ff6718
commit d5b72ce15e
4 changed files with 6 additions and 6 deletions
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2
fs/squashfs/export.c
View File

@ -147,7 +147,7 @@ __le64 *squashfs_read_inode_lookup_table(struct super_block *sb,
* table[0] points to the first inode lookup table metadata block,
* this should be less than lookup_table_start
*/
if (!IS_ERR(table) && table[0] >= lookup_table_start) {
if (!IS_ERR(table) && le64_to_cpu(table[0]) >= lookup_table_start) {
kfree(table);
return ERR_PTR(-EINVAL);
}

2
fs/squashfs/fragment.c
View File

@ -90,7 +90,7 @@ __le64 *squashfs_read_fragment_index_table(struct super_block *sb,
* table[0] points to the first fragment table metadata block, this
* should be less than fragment_table_start
*/
if (!IS_ERR(table) && table[0] >= fragment_table_start) {
if (!IS_ERR(table) && le64_to_cpu(table[0]) >= fragment_table_start) {
kfree(table);
return ERR_PTR(-EINVAL);
}

2
fs/squashfs/id.c
View File

@ -93,7 +93,7 @@ __le64 *squashfs_read_id_index_table(struct super_block *sb,
* table[0] points to the first id lookup table metadata block, this
* should be less than id_table_start
*/
if (!IS_ERR(table) && table[0] >= id_table_start) {
if (!IS_ERR(table) && le64_to_cpu(table[0]) >= id_table_start) {
kfree(table);
return ERR_PTR(-EINVAL);
}

6
fs/squashfs/super.c
View File

@ -245,7 +245,7 @@ allocate_id_index_table:
msblk->id_table = NULL;
goto failed_mount;
}
next_table = msblk->id_table[0];
next_table = le64_to_cpu(msblk->id_table[0]);
/* Handle inode lookup table */
lookup_table_start = le64_to_cpu(sblk->lookup_table_start);
@ -261,7 +261,7 @@ allocate_id_index_table:
msblk->inode_lookup_table = NULL;
goto failed_mount;
}
next_table = msblk->inode_lookup_table[0];
next_table = le64_to_cpu(msblk->inode_lookup_table[0]);
sb->s_export_op = &squashfs_export_ops;
@ -286,7 +286,7 @@ handle_fragments:
msblk->fragment_index = NULL;
goto failed_mount;
}
next_table = msblk->fragment_index[0];
next_table = le64_to_cpu(msblk->fragment_index[0]);
check_directory_table:
/* Sanity check directory_table */