176 	u8 *cb = cb_start;	/* Current position in cb. */  in ntfs_decompress()  local
177 	u8 *cb_sb_start = cb;	/* Beginning of the current sb in the cb. */  in ntfs_decompress()
204 			cb - cb_start);  in ntfs_decompress()
211 	if (cb == cb_end || !le16_to_cpup((le16*)cb) ||  in ntfs_decompress()
256 	if (cb + 6 > cb_end)  in ntfs_decompress()
260 	cb_sb_start = cb;  in ntfs_decompress()
261 	cb_sb_end = cb_sb_start + (le16_to_cpup((le16*)cb) & NTFS_SB_SIZE_MASK)  in ntfs_decompress()
270 		cb = cb_sb_end;  in ntfs_decompress()
283 	if (!(le16_to_cpup((le16*)cb) & NTFS_SB_IS_COMPRESSED)) {  in ntfs_decompress()
288 		cb += 2;  in ntfs_decompress()
291 		if (cb_sb_end - cb != NTFS_SB_SIZE)  in ntfs_decompress()
295 		memcpy(dp_addr, cb, NTFS_SB_SIZE);  in ntfs_decompress()
296 		cb += NTFS_SB_SIZE;  in ntfs_decompress()
320 	cb += 2;  in ntfs_decompress()
322 	if (cb == cb_sb_end) {  in ntfs_decompress()
340 	if (cb > cb_sb_end || dp_addr > dp_sb_end)  in ntfs_decompress()
344 	tag = *cb++;  in ntfs_decompress()
353 		if (cb >= cb_sb_end || dp_addr > dp_sb_end)  in ntfs_decompress()
362 			*dp_addr++ = *cb++;  in ntfs_decompress()
388 		pt = le16_to_cpup((le16*)cb);  in ntfs_decompress()
432 		cb += 2;  in ntfs_decompress()
489 	u8 *cb, *cb_pos, *cb_end;  in ntfs_read_compressed_block()  local
710 	cb = ntfs_compression_buffer;  in ntfs_read_compressed_block()
712 	BUG_ON(!cb);  in ntfs_read_compressed_block()
714 	cb_pos = cb;  in ntfs_read_compressed_block()
715 	cb_end = cb + cb_size;  in ntfs_read_compressed_block()
724 	if (cb_pos + 2 <= cb + cb_size)  in ntfs_read_compressed_block()
728 	cb_pos = cb;  in ntfs_read_compressed_block()
859 				cb_pos,	cb_size - (cb_pos - cb), i_size,  in ntfs_read_compressed_block()