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authorPhillip Lougher <phillip@lougher.demon.co.uk>2011-05-20 02:26:43 +0100
committerPhillip Lougher <phillip@lougher.demon.co.uk>2011-05-25 18:21:31 +0100
commit82de647e1f81fd89afc48608d889dd3b33cb8983 (patch)
tree847b7b40ed273eaa755c27bef6b1a20d201273c2 /fs/squashfs/xattr_id.c
parent117a91e0f25fd7698e20ac3dfa62086be3dc82a3 (diff)
downloadlinux-82de647e1f81fd89afc48608d889dd3b33cb8983.tar.bz2
Squashfs: move table allocation into squashfs_read_table()
This eliminates a lot of duplicate code. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
Diffstat (limited to 'fs/squashfs/xattr_id.c')
-rw-r--r--fs/squashfs/xattr_id.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
index 05385dbe1465..51a7bd0cc449 100644
--- a/fs/squashfs/xattr_id.c
+++ b/fs/squashfs/xattr_id.c
@@ -67,34 +67,18 @@ __le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 start,
u64 *xattr_table_start, int *xattr_ids)
{
unsigned int len;
- __le64 *xid_table;
- struct squashfs_xattr_id_table id_table;
- int err;
+ struct squashfs_xattr_id_table *id_table;
+
+ id_table = squashfs_read_table(sb, start, sizeof(*id_table));
+ if (IS_ERR(id_table))
+ return (__le64 *) id_table;
- err = squashfs_read_table(sb, &id_table, start, sizeof(id_table));
- if (err < 0) {
- ERROR("unable to read xattr id table\n");
- return ERR_PTR(err);
- }
- *xattr_table_start = le64_to_cpu(id_table.xattr_table_start);
- *xattr_ids = le32_to_cpu(id_table.xattr_ids);
+ *xattr_table_start = le64_to_cpu(id_table->xattr_table_start);
+ *xattr_ids = le32_to_cpu(id_table->xattr_ids);
+ kfree(id_table);
len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids);
TRACE("In read_xattr_index_table, length %d\n", len);
- /* Allocate xattr id lookup table indexes */
- xid_table = kmalloc(len, GFP_KERNEL);
- if (xid_table == NULL) {
- ERROR("Failed to allocate xattr id index table\n");
- return ERR_PTR(-ENOMEM);
- }
-
- err = squashfs_read_table(sb, xid_table, start + sizeof(id_table), len);
- if (err < 0) {
- ERROR("unable to read xattr id index table\n");
- kfree(xid_table);
- return ERR_PTR(err);
- }
-
- return xid_table;
+ return squashfs_read_table(sb, start + sizeof(*id_table), len);
}