34 			u64 *cur_index, int *offset, int *length)  in get_block_length()  argument
44 		*length = (unsigned char) bh->b_data[*offset];  in get_block_length()
49 		*length |= (unsigned char) bh->b_data[0] << 8;  in get_block_length()
52 		*length = (unsigned char) bh->b_data[*offset] |  in get_block_length()
78 int squashfs_read_data(struct super_block *sb, u64 index, int length,  in squashfs_read_data()  argument
87 	bh = kcalloc(((output->length + msblk->devblksize - 1)  in squashfs_read_data()
92 	if (length) {  in squashfs_read_data()
97 		compressed = SQUASHFS_COMPRESSED_BLOCK(length);  in squashfs_read_data()
98 		length = SQUASHFS_COMPRESSED_SIZE_BLOCK(length);  in squashfs_read_data()
100 			*next_index = index + length;  in squashfs_read_data()
103 			index, compressed ? "" : "un", length, output->length);  in squashfs_read_data()
105 		if (length < 0 || length > output->length ||  in squashfs_read_data()
106 				(index + length) > msblk->bytes_used)  in squashfs_read_data()
109 		for (b = 0; bytes < length; b++, cur_index++) {  in squashfs_read_data()
123 		bh[0] = get_block_length(sb, &cur_index, &offset, &length);  in squashfs_read_data()
129 		compressed = SQUASHFS_COMPRESSED(length);  in squashfs_read_data()
130 		length = SQUASHFS_COMPRESSED_SIZE(length);  in squashfs_read_data()
132 			*next_index = index + length + 2;  in squashfs_read_data()
135 				compressed ? "" : "un", length);  in squashfs_read_data()
137 		if (length < 0 || length > output->length ||  in squashfs_read_data()
138 					(index + length) > msblk->bytes_used)  in squashfs_read_data()
141 		for (; bytes < length; b++) {  in squashfs_read_data()
159 		length = squashfs_decompress(msblk, bh, b, offset, length,  in squashfs_read_data()
161 		if (length < 0)  in squashfs_read_data()
170 		for (bytes = length; k < b; k++) {  in squashfs_read_data()
193 	return length;  in squashfs_read_data()